28989129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^2$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 42591360

約数和(自身を除く): 13602231

約数列:

[1, 3, 13, 39, 79, 97, 237, 291, 1027, 1261, 3081, 3783, 7663, 9409, 22989, 28227, 99619, 122317, 298857, 366951, 743311, 2229933, 9663043, 28989129]

約数ペア:

[(1, 28989129), (3, 9663043), (13, 2229933), (39, 743311), (79, 366951), (97, 298857), (237, 122317), (291, 99619), (1027, 28227), (1261, 22989), (3081, 9409), (3783, 7663)]