13218093

素因数分解:

$3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 23237760

約数和(自身を除く): 10019667

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 97, 103, 147, 189, 291, 309, 441, 679, 721, 873, 927, 1323, 2037, 2163, 2619, 2781, 4753, 5047, 6111, 6489, 9991, 14259, 15141, 18333, 19467, 29973, 42777, 45423, 69937, 89919, 128331, 136269, 209811, 269757, 489559, 629433, 1468677, 1888299, 4406031, 13218093]

約数ペア:

[(1, 13218093), (3, 4406031), (7, 1888299), (9, 1468677), (21, 629433), (27, 489559), (49, 269757), (63, 209811), (97, 136269), (103, 128331), (147, 89919), (189, 69937), (291, 45423), (309, 42777), (441, 29973), (679, 19467), (721, 18333), (873, 15141), (927, 14259), (1323, 9991), (2037, 6489), (2163, 6111), (2619, 5047), (2781, 4753)]