12688893

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 23173920

約数和(自身を除く): 10485027

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 139, 147, 161, 189, 207, 417, 441, 483, 567, 621, 973, 1127, 1251, 1323, 1449, 1863, 2919, 3197, 3381, 3753, 3969, 4347, 6811, 8757, 9591, 10143, 11259, 13041, 20433, 22379, 26271, 28773, 30429, 61299, 67137, 78813, 86319, 91287, 156653, 183897, 201411, 258957, 469959, 551691, 604233, 1409877, 1812699, 4229631, 12688893]

約数ペア:

[(1, 12688893), (3, 4229631), (7, 1812699), (9, 1409877), (21, 604233), (23, 551691), (27, 469959), (49, 258957), (63, 201411), (69, 183897), (81, 156653), (139, 91287), (147, 86319), (161, 78813), (189, 67137), (207, 61299), (417, 30429), (441, 28773), (483, 26271), (567, 22379), (621, 20433), (973, 13041), (1127, 11259), (1251, 10143), (1323, 9591), (1449, 8757), (1863, 6811), (2919, 4347), (3197, 3969), (3381, 3753)]