87909021

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{70271}}^1$

素因数の和:70416

約数の個数: 12

約数和(自身を含む): 127895040

約数和(自身を除く): 39986019

約数列:

[1, 3, 9, 139, 417, 1251, 70271, 210813, 632439, 9767669, 29303007, 87909021]

約数ペア:

[(1, 87909021), (3, 29303007), (9, 9767669), (139, 632439), (417, 210813), (1251, 70271)]