28721097

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 43250688

約数和(自身を除く): 14529591

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 911, 1017, 2733, 3503, 8199, 10509, 28241, 31527, 84723, 102943, 254169, 308829, 926487, 3191233, 9573699, 28721097]

約数ペア:

[(1, 28721097), (3, 9573699), (9, 3191233), (31, 926487), (93, 308829), (113, 254169), (279, 102943), (339, 84723), (911, 31527), (1017, 28241), (2733, 10509), (3503, 8199)]