28219581

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8317}}^1$

素因数の和:8365

約数の個数: 24

約数和(自身を含む): 45416280

約数和(自身を除く): 17196699

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 8317, 24951, 74853, 108121, 241193, 324363, 723579, 973089, 2170737, 3135509, 9406527, 28219581]

約数ペア:

[(1, 28219581), (3, 9406527), (9, 3135509), (13, 2170737), (29, 973089), (39, 723579), (87, 324363), (117, 241193), (261, 108121), (377, 74853), (1131, 24951), (3393, 8317)]