31020905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2521}}^1$

素因数の和:2656

約数の個数: 16

約数和(自身を含む): 39222144

約数和(自身を除く): 8201239

約数列:

[1, 5, 23, 107, 115, 535, 2461, 2521, 12305, 12605, 57983, 269747, 289915, 1348735, 6204181, 31020905]

約数ペア:

[(1, 31020905), (5, 6204181), (23, 1348735), (107, 289915), (115, 269747), (535, 57983), (2461, 12605), (2521, 12305)]