278320131

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{14747}}^1$

素因数の和:14992

約数の個数: 20

約数和(自身を含む): 417574872

約数和(自身を除く): 139254741

約数列:

[1, 3, 9, 27, 81, 233, 699, 2097, 6291, 14747, 18873, 44241, 132723, 398169, 1194507, 3436051, 10308153, 30924459, 92773377, 278320131]

約数ペア:

[(1, 278320131), (3, 92773377), (9, 30924459), (27, 10308153), (81, 3436051), (233, 1194507), (699, 398169), (2097, 132723), (6291, 44241), (14747, 18873)]