87211359

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{136481}}^1$

素因数の和:136558

約数の個数: 12

約数和(自身を含む): 127747152

約数和(自身を除く): 40535793

約数列:

[1, 3, 9, 71, 213, 639, 136481, 409443, 1228329, 9690151, 29070453, 87211359]

約数ペア:

[(1, 87211359), (3, 29070453), (9, 9690151), (71, 1228329), (213, 409443), (639, 136481)]