28054804545

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 54359838720

約数和(自身を除く): 26305034175

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 47, 93, 107, 129, 135, 141, 155, 215, 235, 279, 321, 387, 423, 465, 535, 645, 705, 837, 961, 963, 1161, 1269, 1333, 1395, 1457, 1605, 1935, 2021, 2115, 2883, 2889, 3317, 3999, 4185, 4371, 4601, 4805, 4815, 5029, 5805, 6063, 6345, 6665, 7285, 8649, 9951, 10105, 11997, 13113, 13803, 14415, 14445, 15087, 16585, 18189, 19995, 21855, 23005, 25145, 25947, 29853, 30315, 35991, 39339, 41323, 41409, 43245, 45167, 45261, 49755, 54567, 59985, 62651, 65565, 69015, 75435, 89559, 90945, 102827, 123969, 124227, 129735, 135501, 135783, 142631, 149265, 155899, 179955, 187953, 196695, 206615, 207045, 216247, 225835, 226305, 272835, 308481, 313255, 371907, 406503, 427893, 447795, 467697, 514135, 563859, 619845, 621135, 648741, 677505, 678915, 713155, 779495, 925443, 939765, 1081235, 1115721, 1219509, 1283679, 1403091, 1542405, 1691577, 1859535, 1942181, 1946223, 2032515, 2139465, 2338485, 2776329, 2819295, 3243705, 3851037, 4209273, 4421561, 4627215, 4832869, 5578605, 5826543, 5838669, 6097545, 6418395, 6703657, 7015455, 8457885, 9710905, 9731115, 13264683, 13881645, 14498607, 17479629, 19255185, 20110971, 21046365, 22107805, 24164345, 29132715, 29193345, 33518285, 39794049, 43495821, 52438887, 60332913, 66323415, 72493035, 87398145, 100554855, 119382147, 130487463, 180998739, 198970245, 207813367, 217479105, 262194435, 301664565, 596910735, 623440101, 652437315, 904993695, 1039066835, 1870320303, 3117200505, 5610960909, 9351601515, 28054804545]

約数ペア:

[(1, 28054804545), (3, 9351601515), (5, 5610960909), (9, 3117200505), (15, 1870320303), (27, 1039066835), (31, 904993695), (43, 652437315), (45, 623440101), (47, 596910735), (93, 301664565), (107, 262194435), (129, 217479105), (135, 207813367), (141, 198970245), (155, 180998739), (215, 130487463), (235, 119382147), (279, 100554855), (321, 87398145), (387, 72493035), (423, 66323415), (465, 60332913), (535, 52438887), (645, 43495821), (705, 39794049), (837, 33518285), (961, 29193345), (963, 29132715), (1161, 24164345), (1269, 22107805), (1333, 21046365), (1395, 20110971), (1457, 19255185), (1605, 17479629), (1935, 14498607), (2021, 13881645), (2115, 13264683), (2883, 9731115), (2889, 9710905), (3317, 8457885), (3999, 7015455), (4185, 6703657), (4371, 6418395), (4601, 6097545), (4805, 5838669), (4815, 5826543), (5029, 5578605), (5805, 4832869), (6063, 4627215), (6345, 4421561), (6665, 4209273), (7285, 3851037), (8649, 3243705), (9951, 2819295), (10105, 2776329), (11997, 2338485), (13113, 2139465), (13803, 2032515), (14415, 1946223), (14445, 1942181), (15087, 1859535), (16585, 1691577), (18189, 1542405), (19995, 1403091), (21855, 1283679), (23005, 1219509), (25145, 1115721), (25947, 1081235), (29853, 939765), (30315, 925443), (35991, 779495), (39339, 713155), (41323, 678915), (41409, 677505), (43245, 648741), (45167, 621135), (45261, 619845), (49755, 563859), (54567, 514135), (59985, 467697), (62651, 447795), (65565, 427893), (69015, 406503), (75435, 371907), (89559, 313255), (90945, 308481), (102827, 272835), (123969, 226305), (124227, 225835), (129735, 216247), (135501, 207045), (135783, 206615), (142631, 196695), (149265, 187953), (155899, 179955)]