28765887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{13757}}^1$

素因数の和:13818

約数の個数: 16

約数和(自身を含む): 41604192

約数和(自身を除く): 12838305

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 13757, 41271, 233869, 564037, 701607, 1692111, 9588629, 28765887]

約数ペア:

[(1, 28765887), (3, 9588629), (17, 1692111), (41, 701607), (51, 564037), (123, 233869), (697, 41271), (2091, 13757)]