255219783

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19079}}^1$

素因数の和:19116

約数の個数: 32

約数和(自身を含む): 427392000

約数和(自身を除く): 172172217

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 19079, 57237, 133553, 248027, 400659, 744081, 934871, 1736189, 2804613, 5208567, 6544097, 12153323, 19632291, 36459969, 85073261, 255219783]

約数ペア:

[(1, 255219783), (3, 85073261), (7, 36459969), (13, 19632291), (21, 12153323), (39, 6544097), (49, 5208567), (91, 2804613), (147, 1736189), (273, 934871), (343, 744081), (637, 400659), (1029, 248027), (1911, 133553), (4459, 57237), (13377, 19079)]