47999997

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 73252608

約数和(自身を除く): 25252611

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 3999, 4001, 11997, 12003, 36009, 124031, 172043, 372093, 516129, 1116279, 1548387, 5333333, 15999999, 47999997]

約数ペア:

[(1, 47999997), (3, 15999999), (9, 5333333), (31, 1548387), (43, 1116279), (93, 516129), (129, 372093), (279, 172043), (387, 124031), (1333, 36009), (3999, 12003), (4001, 11997)]