87211161

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{1933}}^1$

素因数の和:2502

約数の個数: 20

約数和(自身を含む): 130579812

約数和(自身を除く): 43368651

約数列:

[1, 3, 9, 27, 81, 557, 1671, 1933, 5013, 5799, 15039, 17397, 45117, 52191, 156573, 1076681, 3230043, 9690129, 29070387, 87211161]

約数ペア:

[(1, 87211161), (3, 29070387), (9, 9690129), (27, 3230043), (81, 1076681), (557, 156573), (1671, 52191), (1933, 45117), (5013, 17397), (5799, 15039)]