68865075

素因数分解:

$3^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{727}}^1$

素因数の和:1164

約数の個数: 36

約数和(自身を含む): 123808048

約数和(自身を除く): 54942973

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 421, 727, 1263, 2105, 2181, 3635, 3789, 6315, 6543, 10525, 10905, 18175, 18945, 31575, 32715, 54525, 94725, 163575, 306067, 918201, 1530335, 2754603, 4591005, 7651675, 13773015, 22955025, 68865075]

約数ペア:

[(1, 68865075), (3, 22955025), (5, 13773015), (9, 7651675), (15, 4591005), (25, 2754603), (45, 1530335), (75, 918201), (225, 306067), (421, 163575), (727, 94725), (1263, 54525), (2105, 32715), (2181, 31575), (3635, 18945), (3789, 18175), (6315, 10905), (6543, 10525)]