28039167

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{653}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 43802304

約数和(自身を除く): 15763137

約数列:

[1, 3, 9, 13, 39, 117, 367, 653, 1101, 1959, 3303, 4771, 5877, 8489, 14313, 25467, 42939, 76401, 239651, 718953, 2156859, 3115463, 9346389, 28039167]

約数ペア:

[(1, 28039167), (3, 9346389), (9, 3115463), (13, 2156859), (39, 718953), (117, 239651), (367, 76401), (653, 42939), (1101, 25467), (1959, 14313), (3303, 8489), (4771, 5877)]