28260297

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8329}}^1$

素因数の和:8377

約数の個数: 24

約数和(自身を含む): 45481800

約数和(自身を除く): 17221503

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 8329, 24987, 74961, 108277, 241541, 324831, 724623, 974493, 2173869, 3140033, 9420099, 28260297]

約数ペア:

[(1, 28260297), (3, 9420099), (9, 3140033), (13, 2173869), (29, 974493), (39, 724623), (87, 324831), (117, 241541), (261, 108277), (377, 74961), (1131, 24987), (3393, 8329)]