31327205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 47781888

約数和(自身を除く): 16454683

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2221, 2821, 11105, 14105, 15547, 28873, 68851, 77735, 144365, 202111, 344255, 481957, 895063, 1010555, 2409785, 4475315, 6265441, 31327205]

約数ペア:

[(1, 31327205), (5, 6265441), (7, 4475315), (13, 2409785), (31, 1010555), (35, 895063), (65, 481957), (91, 344255), (155, 202111), (217, 144365), (403, 77735), (455, 68851), (1085, 28873), (2015, 15547), (2221, 14105), (2821, 11105)]