87204969

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{136471}}^1$

素因数の和:136548

約数の個数: 12

約数和(自身を含む): 127737792

約数和(自身を除く): 40532823

約数列:

[1, 3, 9, 71, 213, 639, 136471, 409413, 1228239, 9689441, 29068323, 87204969]

約数ペア:

[(1, 87204969), (3, 29068323), (9, 9689441), (71, 1228239), (213, 409413), (639, 136471)]