2556975

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 4281472

約数和(自身を除く): 1724497

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 331, 515, 993, 1545, 1655, 2575, 4965, 7725, 8275, 24825, 34093, 102279, 170465, 511395, 852325, 2556975]

約数ペア:

[(1, 2556975), (3, 852325), (5, 511395), (15, 170465), (25, 102279), (75, 34093), (103, 24825), (309, 8275), (331, 7725), (515, 4965), (993, 2575), (1545, 1655)]