28676817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 44972928

約数和(自身を除く): 16296111

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 1871, 5109, 5613, 15327, 16839, 24323, 72969, 218907, 245101, 735303, 2205909, 3186313, 9558939, 28676817]

約数ペア:

[(1, 28676817), (3, 9558939), (9, 3186313), (13, 2205909), (39, 735303), (117, 245101), (131, 218907), (393, 72969), (1179, 24323), (1703, 16839), (1871, 15327), (5109, 5613)]