17942391

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 27465984

約数和(自身を除く): 9523593

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1571, 3807, 4713, 11421, 14139, 42417, 73837, 127251, 221511, 381753, 664533, 1993599, 5980797, 17942391]

約数ペア:

[(1, 17942391), (3, 5980797), (9, 1993599), (27, 664533), (47, 381753), (81, 221511), (141, 127251), (243, 73837), (423, 42417), (1269, 14139), (1571, 11421), (3807, 4713)]