81568575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{32957}}^1$

素因数の和:32984

約数の個数: 36

約数和(自身を含む): 159384888

約数和(自身を除く): 77816313

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 32957, 98871, 164785, 296613, 362527, 494355, 823925, 1087581, 1483065, 1812635, 2471775, 3262743, 5437905, 7415325, 9063175, 16313715, 27189525, 81568575]

約数ペア:

[(1, 81568575), (3, 27189525), (5, 16313715), (9, 9063175), (11, 7415325), (15, 5437905), (25, 3262743), (33, 2471775), (45, 1812635), (55, 1483065), (75, 1087581), (99, 823925), (165, 494355), (225, 362527), (275, 296613), (495, 164785), (825, 98871), (2475, 32957)]