31996881

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3877}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 53237184

約数和(自身を除く): 21240303

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 3877, 8253, 11631, 27139, 34893, 81417, 244251, 507887, 1523661, 3555209, 4570983, 10665627, 31996881]

約数ペア:

[(1, 31996881), (3, 10665627), (7, 4570983), (9, 3555209), (21, 1523661), (63, 507887), (131, 244251), (393, 81417), (917, 34893), (1179, 27139), (2751, 11631), (3877, 8253)]