68563989

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 121968000

約数和(自身を除く): 53404011

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 81, 117, 149, 171, 207, 247, 299, 351, 437, 447, 513, 621, 741, 897, 1053, 1311, 1341, 1539, 1863, 1937, 2223, 2691, 2831, 3427, 3933, 4023, 5681, 5811, 6669, 8073, 8493, 10281, 11799, 12069, 17043, 17433, 20007, 24219, 25479, 30843, 35397, 36803, 44551, 51129, 52299, 65113, 76437, 92529, 110409, 133653, 153387, 156897, 195339, 229311, 277587, 331227, 400959, 460161, 586017, 846469, 993681, 1202877, 1758051, 2539407, 2981043, 3608631, 5274153, 7618221, 22854663, 68563989]

約数ペア:

[(1, 68563989), (3, 22854663), (9, 7618221), (13, 5274153), (19, 3608631), (23, 2981043), (27, 2539407), (39, 1758051), (57, 1202877), (69, 993681), (81, 846469), (117, 586017), (149, 460161), (171, 400959), (207, 331227), (247, 277587), (299, 229311), (351, 195339), (437, 156897), (447, 153387), (513, 133653), (621, 110409), (741, 92529), (897, 76437), (1053, 65113), (1311, 52299), (1341, 51129), (1539, 44551), (1863, 36803), (1937, 35397), (2223, 30843), (2691, 25479), (2831, 24219), (3427, 20007), (3933, 17433), (4023, 17043), (5681, 12069), (5811, 11799), (6669, 10281), (8073, 8493)]