201567821

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 257478804

約数和(自身を除く): 55910983

約数列:

[1, 7, 13, 49, 91, 101, 169, 241, 637, 707, 1183, 1313, 1687, 3133, 4949, 8281, 9191, 11809, 17069, 21931, 24341, 40729, 64337, 119483, 153517, 170387, 285103, 316433, 836381, 1192709, 1995721, 2215031, 4113629, 15505217, 28795403, 201567821]

約数ペア:

[(1, 201567821), (7, 28795403), (13, 15505217), (49, 4113629), (91, 2215031), (101, 1995721), (169, 1192709), (241, 836381), (637, 316433), (707, 285103), (1183, 170387), (1313, 153517), (1687, 119483), (3133, 64337), (4949, 40729), (8281, 24341), (9191, 21931), (11809, 17069)]