2973125

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 20

約数和(自身を含む): 3823776

約数和(自身を除く): 850651

約数列:

[1, 5, 25, 67, 71, 125, 335, 355, 625, 1675, 1775, 4757, 8375, 8875, 23785, 41875, 44375, 118925, 594625, 2973125]

約数ペア:

[(1, 2973125), (5, 594625), (25, 118925), (67, 44375), (71, 41875), (125, 23785), (335, 8875), (355, 8375), (625, 4757), (1675, 1775)]