39988575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 79387776

約数和(自身を除く): 39399201

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 107, 151, 165, 225, 275, 321, 453, 495, 535, 755, 825, 963, 1177, 1359, 1605, 1661, 2265, 2475, 2675, 3531, 3775, 4815, 4983, 5885, 6795, 8025, 8305, 10593, 11325, 14949, 16157, 17655, 24075, 24915, 29425, 33975, 41525, 48471, 52965, 74745, 80785, 88275, 124575, 145413, 177727, 242355, 264825, 373725, 403925, 533181, 727065, 888635, 1211775, 1599543, 2665905, 3635325, 4443175, 7997715, 13329525, 39988575]

約数ペア:

[(1, 39988575), (3, 13329525), (5, 7997715), (9, 4443175), (11, 3635325), (15, 2665905), (25, 1599543), (33, 1211775), (45, 888635), (55, 727065), (75, 533181), (99, 403925), (107, 373725), (151, 264825), (165, 242355), (225, 177727), (275, 145413), (321, 124575), (453, 88275), (495, 80785), (535, 74745), (755, 52965), (825, 48471), (963, 41525), (1177, 33975), (1359, 29425), (1605, 24915), (1661, 24075), (2265, 17655), (2475, 16157), (2675, 14949), (3531, 11325), (3775, 10593), (4815, 8305), (4983, 8025), (5885, 6795)]