78009981

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{119831}}^1$

素因数の和:119872

約数の個数: 16

約数和(自身を含む): 122707968

約数和(自身を除く): 44697987

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 119831, 359493, 838817, 2516451, 3714761, 11144283, 26003327, 78009981]

約数ペア:

[(1, 78009981), (3, 26003327), (7, 11144283), (21, 3714761), (31, 2516451), (93, 838817), (217, 359493), (651, 119831)]