253695915

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 524620800

約数和(自身を除く): 270924885

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 43, 45, 55, 87, 99, 129, 135, 137, 145, 165, 215, 261, 297, 319, 387, 411, 435, 473, 495, 645, 685, 783, 957, 1161, 1233, 1247, 1305, 1419, 1485, 1507, 1595, 1935, 2055, 2365, 2871, 3699, 3741, 3915, 3973, 4257, 4521, 4785, 5805, 5891, 6165, 6235, 7095, 7535, 8613, 11223, 11919, 12771, 13563, 13717, 14355, 17673, 18495, 18705, 19865, 21285, 22605, 29455, 33669, 35757, 40689, 41151, 43065, 43703, 53019, 56115, 59595, 63855, 64801, 67815, 68585, 88365, 107271, 123453, 131109, 159057, 168345, 170839, 178785, 194403, 203445, 205755, 218515, 265095, 324005, 370359, 393327, 512517, 536355, 583209, 617265, 655545, 795285, 854195, 972015, 1179981, 1537551, 1749627, 1851795, 1879229, 1966635, 2562585, 2916045, 4612653, 5637687, 5899905, 7687755, 8748135, 9396145, 16913061, 23063265, 28188435, 50739183, 84565305, 253695915]

約数ペア:

[(1, 253695915), (3, 84565305), (5, 50739183), (9, 28188435), (11, 23063265), (15, 16913061), (27, 9396145), (29, 8748135), (33, 7687755), (43, 5899905), (45, 5637687), (55, 4612653), (87, 2916045), (99, 2562585), (129, 1966635), (135, 1879229), (137, 1851795), (145, 1749627), (165, 1537551), (215, 1179981), (261, 972015), (297, 854195), (319, 795285), (387, 655545), (411, 617265), (435, 583209), (473, 536355), (495, 512517), (645, 393327), (685, 370359), (783, 324005), (957, 265095), (1161, 218515), (1233, 205755), (1247, 203445), (1305, 194403), (1419, 178785), (1485, 170839), (1507, 168345), (1595, 159057), (1935, 131109), (2055, 123453), (2365, 107271), (2871, 88365), (3699, 68585), (3741, 67815), (3915, 64801), (3973, 63855), (4257, 59595), (4521, 56115), (4785, 53019), (5805, 43703), (5891, 43065), (6165, 41151), (6235, 40689), (7095, 35757), (7535, 33669), (8613, 29455), (11223, 22605), (11919, 21285), (12771, 19865), (13563, 18705), (13717, 18495), (14355, 17673)]