39989997

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{31513}}^1$

素因数の和:31569

約数の個数: 16

約数和(自身を含む): 60506880

約数和(自身を除く): 20516883

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 31513, 94539, 283617, 850851, 1481111, 4443333, 13329999, 39989997]

約数ペア:

[(1, 39989997), (3, 13329999), (9, 4443333), (27, 1481111), (47, 850851), (141, 283617), (423, 94539), (1269, 31513)]