12566721

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 17199104

約数和(自身を除く): 4632383

約数列:

[1, 3, 67, 103, 201, 309, 607, 1821, 6901, 20703, 40669, 62521, 122007, 187563, 4188907, 12566721]

約数ペア:

[(1, 12566721), (3, 4188907), (67, 187563), (103, 122007), (201, 62521), (309, 40669), (607, 20703), (1821, 6901)]