31000125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6359}}^1$

素因数の和:6390

約数の個数: 32

約数和(自身を含む): 55560960

約数和(自身を除く): 24560835

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 6359, 19077, 31795, 82667, 95385, 158975, 248001, 413335, 476925, 794875, 1240005, 2066675, 2384625, 6200025, 10333375, 31000125]

約数ペア:

[(1, 31000125), (3, 10333375), (5, 6200025), (13, 2384625), (15, 2066675), (25, 1240005), (39, 794875), (65, 476925), (75, 413335), (125, 248001), (195, 158975), (325, 95385), (375, 82667), (975, 31795), (1625, 19077), (4875, 6359)]