13442121

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 26249184

約数和(自身を除く): 12807063

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 163, 187, 231, 357, 441, 489, 539, 561, 693, 833, 1071, 1141, 1309, 1467, 1617, 1683, 1793, 2499, 2771, 3423, 3927, 4851, 5379, 7497, 7987, 8313, 9163, 10269, 11781, 12551, 16137, 19397, 23961, 24939, 27489, 30481, 37653, 58191, 71883, 82467, 87857, 91443, 112959, 135779, 174573, 213367, 263571, 274329, 407337, 640101, 790713, 1222011, 1493569, 1920303, 4480707, 13442121]

約数ペア:

[(1, 13442121), (3, 4480707), (7, 1920303), (9, 1493569), (11, 1222011), (17, 790713), (21, 640101), (33, 407337), (49, 274329), (51, 263571), (63, 213367), (77, 174573), (99, 135779), (119, 112959), (147, 91443), (153, 87857), (163, 82467), (187, 71883), (231, 58191), (357, 37653), (441, 30481), (489, 27489), (539, 24939), (561, 23961), (693, 19397), (833, 16137), (1071, 12551), (1141, 11781), (1309, 10269), (1467, 9163), (1617, 8313), (1683, 7987), (1793, 7497), (2499, 5379), (2771, 4851), (3423, 3927)]