28221531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{941}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 40619040

約数和(自身を除く): 12397509

約数列:

[1, 3, 13, 39, 769, 941, 2307, 2823, 9997, 12233, 29991, 36699, 723629, 2170887, 9407177, 28221531]

約数ペア:

[(1, 28221531), (3, 9407177), (13, 2170887), (39, 723629), (769, 36699), (941, 29991), (2307, 12233), (2823, 9997)]