420474957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1177801}}^1$

素因数の和:1177828

約数の個数: 16

約数和(自身を含む): 678413952

約数和(自身を除く): 257938995

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1177801, 3533403, 8244607, 20022617, 24733821, 60067851, 140158319, 420474957]

約数ペア:

[(1, 420474957), (3, 140158319), (7, 60067851), (17, 24733821), (21, 20022617), (51, 8244607), (119, 3533403), (357, 1177801)]