9990837

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{7873}}^1$

素因数の和:7929

約数の個数: 16

約数和(自身を含む): 15118080

約数和(自身を除く): 5127243

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 7873, 23619, 70857, 212571, 370031, 1110093, 3330279, 9990837]

約数ペア:

[(1, 9990837), (3, 3330279), (9, 1110093), (27, 370031), (47, 212571), (141, 70857), (423, 23619), (1269, 7873)]