68469375

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 125216168

約数和(自身を除く): 56746793

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 125, 159, 195, 265, 325, 375, 625, 689, 795, 975, 1325, 1625, 1875, 2067, 2809, 3445, 3975, 4875, 6625, 8125, 8427, 10335, 14045, 17225, 19875, 24375, 33125, 36517, 42135, 51675, 70225, 86125, 99375, 109551, 182585, 210675, 258375, 351125, 430625, 547755, 912925, 1053375, 1291875, 1755625, 2738775, 4564625, 5266875, 13693875, 22823125, 68469375]

約数ペア:

[(1, 68469375), (3, 22823125), (5, 13693875), (13, 5266875), (15, 4564625), (25, 2738775), (39, 1755625), (53, 1291875), (65, 1053375), (75, 912925), (125, 547755), (159, 430625), (195, 351125), (265, 258375), (325, 210675), (375, 182585), (625, 109551), (689, 99375), (795, 86125), (975, 70225), (1325, 51675), (1625, 42135), (1875, 36517), (2067, 33125), (2809, 24375), (3445, 19875), (3975, 17225), (4875, 14045), (6625, 10335), (8125, 8427)]