81330975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1933}}^1$

素因数の和:1977

約数の個数: 72

約数和(自身を含む): 168350832

約数和(自身を除く): 87019857

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 765, 825, 935, 1275, 1683, 1933, 2475, 2805, 3825, 4675, 5799, 8415, 9665, 14025, 17397, 21263, 28995, 32861, 42075, 48325, 63789, 86985, 98583, 106315, 144975, 164305, 191367, 295749, 318945, 361471, 434925, 492915, 531575, 821525, 956835, 1084413, 1478745, 1594725, 1807355, 2464575, 3253239, 4784175, 5422065, 7393725, 9036775, 16266195, 27110325, 81330975]

約数ペア:

[(1, 81330975), (3, 27110325), (5, 16266195), (9, 9036775), (11, 7393725), (15, 5422065), (17, 4784175), (25, 3253239), (33, 2464575), (45, 1807355), (51, 1594725), (55, 1478745), (75, 1084413), (85, 956835), (99, 821525), (153, 531575), (165, 492915), (187, 434925), (225, 361471), (255, 318945), (275, 295749), (425, 191367), (495, 164305), (561, 144975), (765, 106315), (825, 98583), (935, 86985), (1275, 63789), (1683, 48325), (1933, 42075), (2475, 32861), (2805, 28995), (3825, 21263), (4675, 17397), (5799, 14025), (8415, 9665)]