51310125

素因数分解:

$3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 99141120

約数和(自身を除く): 47830995

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 207, 225, 345, 375, 575, 621, 661, 675, 1035, 1125, 1725, 1983, 2875, 3105, 3305, 3375, 5175, 5949, 8625, 9915, 15203, 15525, 16525, 17847, 25875, 29745, 45609, 49575, 76015, 77625, 82625, 89235, 136827, 148725, 228045, 247875, 380075, 410481, 446175, 684135, 743625, 1140225, 1900375, 2052405, 2230875, 3420675, 5701125, 10262025, 17103375, 51310125]

約数ペア:

[(1, 51310125), (3, 17103375), (5, 10262025), (9, 5701125), (15, 3420675), (23, 2230875), (25, 2052405), (27, 1900375), (45, 1140225), (69, 743625), (75, 684135), (115, 446175), (125, 410481), (135, 380075), (207, 247875), (225, 228045), (345, 148725), (375, 136827), (575, 89235), (621, 82625), (661, 77625), (675, 76015), (1035, 49575), (1125, 45609), (1725, 29745), (1983, 25875), (2875, 17847), (3105, 16525), (3305, 15525), (3375, 15203), (5175, 9915), (5949, 8625)]