809991

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 1537536

約数和(自身を除く): 727545

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 43, 63, 69, 91, 117, 129, 161, 207, 273, 299, 301, 387, 483, 559, 819, 897, 903, 989, 1449, 1677, 2093, 2691, 2709, 2967, 3913, 5031, 6279, 6923, 8901, 11739, 12857, 18837, 20769, 35217, 38571, 62307, 89999, 115713, 269997, 809991]

約数ペア:

[(1, 809991), (3, 269997), (7, 115713), (9, 89999), (13, 62307), (21, 38571), (23, 35217), (39, 20769), (43, 18837), (63, 12857), (69, 11739), (91, 8901), (117, 6923), (129, 6279), (161, 5031), (207, 3913), (273, 2967), (299, 2709), (301, 2691), (387, 2093), (483, 1677), (559, 1449), (819, 989), (897, 903)]