131502775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{169681}}^1$

素因数の和:169722

約数の個数: 12

約数和(自身を含む): 168324544

約数和(自身を除く): 36821769

約数列:

[1, 5, 25, 31, 155, 775, 169681, 848405, 4242025, 5260111, 26300555, 131502775]

約数ペア:

[(1, 131502775), (5, 26300555), (25, 5260111), (31, 4242025), (155, 848405), (775, 169681)]