31480125

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 52875264

約数和(自身を除く): 21395139

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 635, 661, 1905, 1983, 3175, 3305, 9525, 9915, 15875, 16525, 47625, 49575, 82625, 83947, 247875, 251841, 419735, 1259205, 2098675, 6296025, 10493375, 31480125]

約数ペア:

[(1, 31480125), (3, 10493375), (5, 6296025), (15, 2098675), (25, 1259205), (75, 419735), (125, 251841), (127, 247875), (375, 83947), (381, 82625), (635, 49575), (661, 47625), (1905, 16525), (1983, 15875), (3175, 9915), (3305, 9525)]