2499375

素因数分解:

$3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 4398592

約数和(自身を除く): 1899217

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 125, 129, 155, 215, 375, 465, 625, 645, 775, 1075, 1333, 1875, 2325, 3225, 3875, 3999, 5375, 6665, 11625, 16125, 19375, 19995, 26875, 33325, 58125, 80625, 99975, 166625, 499875, 833125, 2499375]

約数ペア:

[(1, 2499375), (3, 833125), (5, 499875), (15, 166625), (25, 99975), (31, 80625), (43, 58125), (75, 33325), (93, 26875), (125, 19995), (129, 19375), (155, 16125), (215, 11625), (375, 6665), (465, 5375), (625, 3999), (645, 3875), (775, 3225), (1075, 2325), (1333, 1875)]