28261359

素因数分解:

$3^3\times 7^1\times {\mathrm{149531}}^1$

素因数の和:149547

約数の個数: 16

約数和(自身を含む): 47850240

約数和(自身を除く): 19588881

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 149531, 448593, 1046717, 1345779, 3140151, 4037337, 9420453, 28261359]

約数ペア:

[(1, 28261359), (3, 9420453), (7, 4037337), (9, 3140151), (21, 1345779), (27, 1046717), (63, 448593), (189, 149531)]