13865649

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 23408640

約数和(自身を除く): 9542991

約数列:

[1, 3, 7, 19, 21, 31, 57, 59, 93, 133, 177, 217, 361, 399, 413, 589, 651, 1083, 1121, 1239, 1767, 1829, 2527, 3363, 4123, 5487, 7581, 7847, 11191, 12369, 12803, 21299, 23541, 33573, 34751, 38409, 63897, 78337, 104253, 149093, 235011, 243257, 447279, 660269, 729771, 1980807, 4621883, 13865649]

約数ペア:

[(1, 13865649), (3, 4621883), (7, 1980807), (19, 729771), (21, 660269), (31, 447279), (57, 243257), (59, 235011), (93, 149093), (133, 104253), (177, 78337), (217, 63897), (361, 38409), (399, 34751), (413, 33573), (589, 23541), (651, 21299), (1083, 12803), (1121, 12369), (1239, 11191), (1767, 7847), (1829, 7581), (2527, 5487), (3363, 4123)]