81431109

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131129}}^1$

素因数の和:131161

約数の個数: 16

約数和(自身を含む): 125884800

約数和(自身を除く): 44453691

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 131129, 393387, 1180161, 3015967, 3540483, 9047901, 27143703, 81431109]

約数ペア:

[(1, 81431109), (3, 27143703), (9, 9047901), (23, 3540483), (27, 3015967), (69, 1180161), (207, 393387), (621, 131129)]