261567225

素因数分解:

$3^4\times 5^2\times {\mathrm{129169}}^1$

素因数の和:129191

約数の個数: 30

約数和(自身を含む): 484516670

約数和(自身を除く): 222949445

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 129169, 387507, 645845, 1162521, 1937535, 3229225, 3487563, 5812605, 9687675, 10462689, 17437815, 29063025, 52313445, 87189075, 261567225]

約数ペア:

[(1, 261567225), (3, 87189075), (5, 52313445), (9, 29063025), (15, 17437815), (25, 10462689), (27, 9687675), (45, 5812605), (75, 3487563), (81, 3229225), (135, 1937535), (225, 1162521), (405, 645845), (675, 387507), (2025, 129169)]