12515625

素因数分解:

$3^2\times 5^6\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 42

約数和(自身を含む): 22851270

約数和(自身を除く): 10335645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 225, 267, 375, 445, 625, 801, 1125, 1335, 1875, 2225, 3125, 4005, 5625, 6675, 9375, 11125, 15625, 20025, 28125, 33375, 46875, 55625, 100125, 140625, 166875, 278125, 500625, 834375, 1390625, 2503125, 4171875, 12515625]

約数ペア:

[(1, 12515625), (3, 4171875), (5, 2503125), (9, 1390625), (15, 834375), (25, 500625), (45, 278125), (75, 166875), (89, 140625), (125, 100125), (225, 55625), (267, 46875), (375, 33375), (445, 28125), (625, 20025), (801, 15625), (1125, 11125), (1335, 9375), (1875, 6675), (2225, 5625), (3125, 4005)]