12590991

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 22471680

約数和(自身を除く): 9880689

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 307, 441, 651, 837, 921, 1323, 1519, 1953, 2149, 2763, 4557, 5859, 6447, 8289, 9517, 13671, 15043, 19341, 28551, 41013, 45129, 58023, 66619, 85653, 135387, 199857, 256959, 406161, 466333, 599571, 1398999, 1798713, 4196997, 12590991]

約数ペア:

[(1, 12590991), (3, 4196997), (7, 1798713), (9, 1398999), (21, 599571), (27, 466333), (31, 406161), (49, 256959), (63, 199857), (93, 135387), (147, 85653), (189, 66619), (217, 58023), (279, 45129), (307, 41013), (441, 28551), (651, 19341), (837, 15043), (921, 13671), (1323, 9517), (1519, 8289), (1953, 6447), (2149, 5859), (2763, 4557)]