1213771321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1091}}^1\times {\mathrm{9349}}^1$

素因数の和:10464

約数の個数: 16

約数和(自身を含む): 1470268800

約数和(自身を除く): 256497479

約数列:

[1, 7, 17, 119, 1091, 7637, 9349, 18547, 65443, 129829, 158933, 1112531, 10199759, 71398313, 173395903, 1213771321]

約数ペア:

[(1, 1213771321), (7, 173395903), (17, 71398313), (119, 10199759), (1091, 1112531), (7637, 158933), (9349, 129829), (18547, 65443)]