22556781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 37710400

約数和(自身を除く): 15153619

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 139, 171, 219, 247, 417, 657, 741, 949, 1251, 1387, 1807, 2223, 2641, 2847, 4161, 5421, 7923, 8541, 10147, 12483, 16263, 18031, 23769, 30441, 34333, 54093, 91323, 102999, 131911, 162279, 192793, 308997, 395733, 578379, 1187199, 1735137, 2506309, 7518927, 22556781]

約数ペア:

[(1, 22556781), (3, 7518927), (9, 2506309), (13, 1735137), (19, 1187199), (39, 578379), (57, 395733), (73, 308997), (117, 192793), (139, 162279), (171, 131911), (219, 102999), (247, 91323), (417, 54093), (657, 34333), (741, 30441), (949, 23769), (1251, 18031), (1387, 16263), (1807, 12483), (2223, 10147), (2641, 8541), (2847, 7923), (4161, 5421)]