3973125

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 7172704

約数和(自身を除く): 3199579

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 163, 195, 325, 375, 489, 625, 815, 975, 1625, 1875, 2119, 2445, 4075, 4875, 6357, 8125, 10595, 12225, 20375, 24375, 31785, 52975, 61125, 101875, 158925, 264875, 305625, 794625, 1324375, 3973125]

約数ペア:

[(1, 3973125), (3, 1324375), (5, 794625), (13, 305625), (15, 264875), (25, 158925), (39, 101875), (65, 61125), (75, 52975), (125, 31785), (163, 24375), (195, 20375), (325, 12225), (375, 10595), (489, 8125), (625, 6357), (815, 4875), (975, 4075), (1625, 2445), (1875, 2119)]