4221009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 6726720

約数和(自身を除く): 2505711

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 839, 1677, 2517, 5031, 7551, 10907, 32721, 36077, 98163, 108231, 324693, 469001, 1407003, 4221009]

約数ペア:

[(1, 4221009), (3, 1407003), (9, 469001), (13, 324693), (39, 108231), (43, 98163), (117, 36077), (129, 32721), (387, 10907), (559, 7551), (839, 5031), (1677, 2517)]