77887467

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4001}}^1$

素因数の和:4120

約数の個数: 32

約数和(自身を含む): 133186560

約数和(自身を除く): 55299093

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 4001, 6489, 12003, 19467, 28007, 36009, 84021, 108027, 252063, 412103, 756189, 1236309, 2884721, 3708927, 8654163, 11126781, 25962489, 77887467]

約数ペア:

[(1, 77887467), (3, 25962489), (7, 11126781), (9, 8654163), (21, 3708927), (27, 2884721), (63, 1236309), (103, 756189), (189, 412103), (309, 252063), (721, 108027), (927, 84021), (2163, 36009), (2781, 28007), (4001, 19467), (6489, 12003)]