54639927

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 86190720

約数和(自身を除く): 31550793

約数列:

[1, 3, 9, 23, 27, 69, 81, 139, 207, 211, 417, 621, 633, 1251, 1863, 1899, 3197, 3753, 4853, 5697, 9591, 11259, 14559, 17091, 28773, 29329, 43677, 86319, 87987, 131031, 258957, 263961, 393093, 674567, 791883, 2023701, 2375649, 6071103, 18213309, 54639927]

約数ペア:

[(1, 54639927), (3, 18213309), (9, 6071103), (23, 2375649), (27, 2023701), (69, 791883), (81, 674567), (139, 393093), (207, 263961), (211, 258957), (417, 131031), (621, 87987), (633, 86319), (1251, 43677), (1863, 29329), (1899, 28773), (3197, 17091), (3753, 14559), (4853, 11259), (5697, 9591)]