31386615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 54867456

約数和(自身を除く): 23480841

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2267, 2769, 4615, 6801, 11335, 13845, 29471, 34005, 88413, 147355, 160957, 442065, 482871, 804785, 2092441, 2414355, 6277323, 10462205, 31386615]

約数ペア:

[(1, 31386615), (3, 10462205), (5, 6277323), (13, 2414355), (15, 2092441), (39, 804785), (65, 482871), (71, 442065), (195, 160957), (213, 147355), (355, 88413), (923, 34005), (1065, 29471), (2267, 13845), (2769, 11335), (4615, 6801)]