278156673

素因数分解:

$3^4\times {\mathrm{1531}}^1\times {\mathrm{2243}}^1$

素因数の和:3786

約数の個数: 20

約数和(自身を含む): 415974768

約数和(自身を除く): 137818095

約数列:

[1, 3, 9, 27, 81, 1531, 2243, 4593, 6729, 13779, 20187, 41337, 60561, 124011, 181683, 3434033, 10302099, 30906297, 92718891, 278156673]

約数ペア:

[(1, 278156673), (3, 92718891), (9, 30906297), (27, 10302099), (81, 3434033), (1531, 181683), (2243, 124011), (4593, 60561), (6729, 41337), (13779, 20187)]