18211365

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 32559360

約数和(自身を除く): 14347995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 487, 831, 1385, 1461, 2435, 2493, 4155, 4383, 7305, 7479, 12465, 13149, 21915, 37395, 65745, 134899, 404697, 674495, 1214091, 2023485, 3642273, 6070455, 18211365]

約数ペア:

[(1, 18211365), (3, 6070455), (5, 3642273), (9, 2023485), (15, 1214091), (27, 674495), (45, 404697), (135, 134899), (277, 65745), (487, 37395), (831, 21915), (1385, 13149), (1461, 12465), (2435, 7479), (2493, 7305), (4155, 4383)]