2801997

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 4647552

約数和(自身を除く): 1845555

約数列:

[1, 3, 9, 11, 31, 33, 83, 93, 99, 121, 249, 279, 341, 363, 747, 913, 1023, 1089, 2573, 2739, 3069, 3751, 7719, 8217, 10043, 11253, 23157, 28303, 30129, 33759, 84909, 90387, 254727, 311333, 933999, 2801997]

約数ペア:

[(1, 2801997), (3, 933999), (9, 311333), (11, 254727), (31, 90387), (33, 84909), (83, 33759), (93, 30129), (99, 28303), (121, 23157), (249, 11253), (279, 10043), (341, 8217), (363, 7719), (747, 3751), (913, 3069), (1023, 2739), (1089, 2573)]