7220493

素因数分解:

$3^2\times 7^3\times {\mathrm{2339}}^1$

素因数の和:2366

約数の個数: 24

約数和(自身を含む): 12168000

約数和(自身を除く): 4947507

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2339, 3087, 7017, 16373, 21051, 49119, 114611, 147357, 343833, 802277, 1031499, 2406831, 7220493]

約数ペア:

[(1, 7220493), (3, 2406831), (7, 1031499), (9, 802277), (21, 343833), (49, 147357), (63, 114611), (147, 49119), (343, 21051), (441, 16373), (1029, 7017), (2339, 3087)]