201227481

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 359433984

約数和(自身を除く): 158206503

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 277, 819, 831, 887, 1939, 2493, 2661, 3601, 5817, 6209, 7983, 10803, 11531, 17451, 18627, 25207, 32409, 34593, 55881, 75621, 80717, 103779, 226863, 242151, 245699, 726453, 737097, 1719893, 2211291, 3194087, 5159679, 9582261, 15479037, 22358609, 28746783, 67075827, 201227481]

約数ペア:

[(1, 201227481), (3, 67075827), (7, 28746783), (9, 22358609), (13, 15479037), (21, 9582261), (39, 5159679), (63, 3194087), (91, 2211291), (117, 1719893), (273, 737097), (277, 726453), (819, 245699), (831, 242151), (887, 226863), (1939, 103779), (2493, 80717), (2661, 75621), (3601, 55881), (5817, 34593), (6209, 32409), (7983, 25207), (10803, 18627), (11531, 17451)]