16905681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 26522496

約数和(自身を除く): 9616815

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1103, 1179, 1703, 3309, 5109, 9927, 14339, 15327, 43017, 129051, 144493, 433479, 1300437, 1878409, 5635227, 16905681]

約数ペア:

[(1, 16905681), (3, 5635227), (9, 1878409), (13, 1300437), (39, 433479), (117, 144493), (131, 129051), (393, 43017), (1103, 15327), (1179, 14339), (1703, 9927), (3309, 5109)]