28245681

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 43580160

約数和(自身を除く): 15334479

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 3491, 8091, 10473, 31419, 101239, 108221, 303717, 324663, 911151, 973989, 3138409, 9415227, 28245681]

約数ペア:

[(1, 28245681), (3, 9415227), (9, 3138409), (29, 973989), (31, 911151), (87, 324663), (93, 303717), (261, 108221), (279, 101239), (899, 31419), (2697, 10473), (3491, 8091)]