7921875

素因数分解:

$3^1\times 5^6\times {\mathrm{13}}^2$

素因数の和:59

約数の個数: 42

約数和(自身を含む): 14296692

約数和(自身を除く): 6374817

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 169, 195, 325, 375, 507, 625, 845, 975, 1625, 1875, 2535, 3125, 4225, 4875, 8125, 9375, 12675, 15625, 21125, 24375, 40625, 46875, 63375, 105625, 121875, 203125, 316875, 528125, 609375, 1584375, 2640625, 7921875]

約数ペア:

[(1, 7921875), (3, 2640625), (5, 1584375), (13, 609375), (15, 528125), (25, 316875), (39, 203125), (65, 121875), (75, 105625), (125, 63375), (169, 46875), (195, 40625), (325, 24375), (375, 21125), (507, 15625), (625, 12675), (845, 9375), (975, 8125), (1625, 4875), (1875, 4225), (2535, 3125)]