256982943

素因数分解:

$3^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{7993}}^1$

素因数の和:9534

約数の個数: 16

約数和(自身を含む): 391897856

約数和(自身を除く): 134914913

約数列:

[1, 3, 7, 21, 1531, 4593, 7993, 10717, 23979, 32151, 55951, 167853, 12237283, 36711849, 85660981, 256982943]

約数ペア:

[(1, 256982943), (3, 85660981), (7, 36711849), (21, 12237283), (1531, 167853), (4593, 55951), (7993, 32151), (10717, 23979)]