221612911

素因数分解:

${\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{3371}}^1$

素因数の和:3786

約数の個数: 12

約数和(自身を含む): 240659640

約数和(自身を除く): 19046729

約数列:

[1, 13, 169, 389, 3371, 5057, 43823, 65741, 569699, 1311319, 17047147, 221612911]

約数ペア:

[(1, 221612911), (13, 17047147), (169, 1311319), (389, 569699), (3371, 65741), (5057, 43823)]