27781825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 9046175

約数列:

[1, 5, 17, 25, 85, 131, 425, 499, 655, 2227, 2495, 3275, 8483, 11135, 12475, 42415, 55675, 65369, 212075, 326845, 1111273, 1634225, 5556365, 27781825]

約数ペア:

[(1, 27781825), (5, 5556365), (17, 1634225), (25, 1111273), (85, 326845), (131, 212075), (425, 65369), (499, 55675), (655, 42415), (2227, 12475), (2495, 11135), (3275, 8483)]