1281449281

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{507103}}^1$

素因数の和:507148

約数の個数: 12

約数和(自身を含む): 1545652992

約数和(自身を除く): 264203711

約数列:

[1, 7, 19, 133, 361, 2527, 507103, 3549721, 9634957, 67444699, 183064183, 1281449281]

約数ペア:

[(1, 1281449281), (7, 183064183), (19, 67444699), (133, 9634957), (361, 3549721), (2527, 507103)]