291278511

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{12889}}^1$

素因数の和:12938

約数の個数: 28

約数和(自身を含む): 450840640

約数和(自身を除く): 159562129

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 729, 837, 2511, 7533, 12889, 22599, 38667, 116001, 348003, 399559, 1044009, 1198677, 3132027, 3596031, 9396081, 10788093, 32364279, 97092837, 291278511]

約数ペア:

[(1, 291278511), (3, 97092837), (9, 32364279), (27, 10788093), (31, 9396081), (81, 3596031), (93, 3132027), (243, 1198677), (279, 1044009), (729, 399559), (837, 348003), (2511, 116001), (7533, 38667), (12889, 22599)]