31872267

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5009}}^1$

素因数の和:5123

約数の個数: 24

約数和(自身を含む): 53146080

約数和(自身を除く): 21273813

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 5009, 6363, 15027, 35063, 45081, 105189, 315567, 505909, 1517727, 3541363, 4553181, 10624089, 31872267]

約数ペア:

[(1, 31872267), (3, 10624089), (7, 4553181), (9, 3541363), (21, 1517727), (63, 505909), (101, 315567), (303, 105189), (707, 45081), (909, 35063), (2121, 15027), (5009, 6363)]