30821967

素因数分解:

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

素因数の和:153

約数の個数: 48

約数和(自身を含む): 51158016

約数和(自身を除く): 20336049

約数列:

[1, 3, 9, 11, 31, 33, 83, 93, 99, 121, 249, 279, 341, 363, 747, 913, 1023, 1089, 1331, 2573, 2739, 3069, 3751, 3993, 7719, 8217, 10043, 11253, 11979, 23157, 28303, 30129, 33759, 41261, 84909, 90387, 110473, 123783, 254727, 311333, 331419, 371349, 933999, 994257, 2801997, 3424663, 10273989, 30821967]

約数ペア:

[(1, 30821967), (3, 10273989), (9, 3424663), (11, 2801997), (31, 994257), (33, 933999), (83, 371349), (93, 331419), (99, 311333), (121, 254727), (249, 123783), (279, 110473), (341, 90387), (363, 84909), (747, 41261), (913, 33759), (1023, 30129), (1089, 28303), (1331, 23157), (2573, 11979), (2739, 11253), (3069, 10043), (3751, 8217), (3993, 7719)]