7872123

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 12350464

約数和(自身を除く): 4478341

約数列:

[1, 3, 7, 21, 41, 123, 223, 287, 669, 861, 1561, 1681, 4683, 5043, 9143, 11767, 27429, 35301, 64001, 192003, 374863, 1124589, 2624041, 7872123]

約数ペア:

[(1, 7872123), (3, 2624041), (7, 1124589), (21, 374863), (41, 192003), (123, 64001), (223, 35301), (287, 27429), (669, 11767), (861, 9143), (1561, 5043), (1681, 4683)]