261625563

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1709971}}^1$

素因数の和:1709994

約数の個数: 12

約数和(自身を含む): 400133448

約数和(自身を除く): 138507885

約数列:

[1, 3, 9, 17, 51, 153, 1709971, 5129913, 15389739, 29069507, 87208521, 261625563]

約数ペア:

[(1, 261625563), (3, 87208521), (9, 29069507), (17, 15389739), (51, 5129913), (153, 1709971)]