2806713

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 2434887

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 149, 161, 207, 273, 299, 447, 483, 819, 897, 1043, 1341, 1449, 1937, 2093, 2691, 3129, 3427, 5811, 6279, 9387, 10281, 13559, 17433, 18837, 23989, 30843, 40677, 44551, 71967, 122031, 133653, 215901, 311857, 400959, 935571, 2806713]

約数ペア:

[(1, 2806713), (3, 935571), (7, 400959), (9, 311857), (13, 215901), (21, 133653), (23, 122031), (39, 71967), (63, 44551), (69, 40677), (91, 30843), (117, 23989), (149, 18837), (161, 17433), (207, 13559), (273, 10281), (299, 9387), (447, 6279), (483, 5811), (819, 3427), (897, 3129), (1043, 2691), (1341, 2093), (1449, 1937)]