71820837

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 119001792

約数和(自身を除く): 47180955

約数列:

[1, 3, 9, 11, 27, 33, 81, 97, 99, 243, 277, 291, 297, 831, 873, 891, 1067, 2493, 2619, 2673, 3047, 3201, 7479, 7857, 9141, 9603, 22437, 23571, 26869, 27423, 28809, 67311, 80607, 82269, 86427, 241821, 246807, 259281, 295559, 725463, 740421, 886677, 2176389, 2660031, 6529167, 7980093, 23940279, 71820837]

約数ペア:

[(1, 71820837), (3, 23940279), (9, 7980093), (11, 6529167), (27, 2660031), (33, 2176389), (81, 886677), (97, 740421), (99, 725463), (243, 295559), (277, 259281), (291, 246807), (297, 241821), (831, 86427), (873, 82269), (891, 80607), (1067, 67311), (2493, 28809), (2619, 27423), (2673, 26869), (3047, 23571), (3201, 22437), (7479, 9603), (7857, 9141)]