1317340521

素因数分解:

$3^2\times 7^1\times {\mathrm{20910167}}^1$

素因数の和:20910180

約数の個数: 12

約数和(自身を含む): 2174657472

約数和(自身を除く): 857316951

約数列:

[1, 3, 7, 9, 21, 63, 20910167, 62730501, 146371169, 188191503, 439113507, 1317340521]

約数ペア:

[(1, 1317340521), (3, 439113507), (7, 188191503), (9, 146371169), (21, 62730501), (63, 20910167)]