7428939

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 11663568

約数和(自身を除く): 4234629

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 521, 679, 1563, 2037, 3647, 4753, 10941, 14259, 25529, 50537, 76587, 151611, 353759, 1061277, 2476313, 7428939]

約数ペア:

[(1, 7428939), (3, 2476313), (7, 1061277), (21, 353759), (49, 151611), (97, 76587), (147, 50537), (291, 25529), (521, 14259), (679, 10941), (1563, 4753), (2037, 3647)]