12784875

素因数分解:

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

素因数の和:452

約数の個数: 32

約数和(自身を含む): 21545472

約数和(自身を除く): 8760597

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 309, 331, 375, 515, 993, 1545, 1655, 2575, 4965, 7725, 8275, 12875, 24825, 34093, 38625, 41375, 102279, 124125, 170465, 511395, 852325, 2556975, 4261625, 12784875]

約数ペア:

[(1, 12784875), (3, 4261625), (5, 2556975), (15, 852325), (25, 511395), (75, 170465), (103, 124125), (125, 102279), (309, 41375), (331, 38625), (375, 34093), (515, 24825), (993, 12875), (1545, 8275), (1655, 7725), (2575, 4965)]