30771377

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19891}}^1$

素因数の和:19928

約数の個数: 16

約数和(自身を含む): 40102272

約数和(自身を除く): 9330895

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 19891, 139237, 258583, 338147, 1810081, 2367029, 4395911, 30771377]

約数ペア:

[(1, 30771377), (7, 4395911), (13, 2367029), (17, 1810081), (91, 338147), (119, 258583), (221, 139237), (1547, 19891)]