81817515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 170614080

約数和(自身を除く): 88796565

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 39, 45, 51, 57, 65, 85, 95, 117, 153, 171, 195, 221, 247, 255, 285, 323, 433, 585, 663, 741, 765, 855, 969, 1105, 1235, 1299, 1615, 1989, 2165, 2223, 2907, 3315, 3705, 3897, 4199, 4845, 5629, 6495, 7361, 8227, 9945, 11115, 12597, 14535, 16887, 19485, 20995, 22083, 24681, 28145, 36805, 37791, 41135, 50661, 62985, 66249, 74043, 84435, 95693, 106951, 110415, 123405, 139859, 188955, 253305, 287079, 320853, 331245, 370215, 419577, 478465, 534755, 699295, 861237, 962559, 1258731, 1435395, 1604265, 1818167, 2097885, 4306185, 4812795, 5454501, 6293655, 9090835, 16363503, 27272505, 81817515]

約数ペア:

[(1, 81817515), (3, 27272505), (5, 16363503), (9, 9090835), (13, 6293655), (15, 5454501), (17, 4812795), (19, 4306185), (39, 2097885), (45, 1818167), (51, 1604265), (57, 1435395), (65, 1258731), (85, 962559), (95, 861237), (117, 699295), (153, 534755), (171, 478465), (195, 419577), (221, 370215), (247, 331245), (255, 320853), (285, 287079), (323, 253305), (433, 188955), (585, 139859), (663, 123405), (741, 110415), (765, 106951), (855, 95693), (969, 84435), (1105, 74043), (1235, 66249), (1299, 62985), (1615, 50661), (1989, 41135), (2165, 37791), (2223, 36805), (2907, 28145), (3315, 24681), (3705, 22083), (3897, 20995), (4199, 19485), (4845, 16887), (5629, 14535), (6495, 12597), (7361, 11115), (8227, 9945)]