13305813507

素因数分解:

$3^2\times 7^1\times {\mathrm{211203389}}^1$

素因数の和:211203402

約数の個数: 12

約数和(自身を含む): 21965152560

約数和(自身を除く): 8659339053

約数列:

[1, 3, 7, 9, 21, 63, 211203389, 633610167, 1478423723, 1900830501, 4435271169, 13305813507]

約数ペア:

[(1, 13305813507), (3, 4435271169), (7, 1900830501), (9, 1478423723), (21, 633610167), (63, 211203389)]