28869867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 45090864

約数和(自身を除く): 16220997

約数列:

[1, 3, 9, 13, 39, 117, 443, 557, 1329, 1671, 3987, 5013, 5759, 7241, 17277, 21723, 51831, 65169, 246751, 740253, 2220759, 3207763, 9623289, 28869867]

約数ペア:

[(1, 28869867), (3, 9623289), (9, 3207763), (13, 2220759), (39, 740253), (117, 246751), (443, 65169), (557, 51831), (1329, 21723), (1671, 17277), (3987, 7241), (5013, 5759)]