131401473

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{17333}}^1$

素因数の和:17381

約数の個数: 24

約数和(自身を含む): 211336128

約数和(自身を除く): 79934655

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 17333, 51999, 121331, 329327, 363993, 987981, 2305289, 6257213, 6915867, 18771639, 43800491, 131401473]

約数ペア:

[(1, 131401473), (3, 43800491), (7, 18771639), (19, 6915867), (21, 6257213), (57, 2305289), (133, 987981), (361, 363993), (399, 329327), (1083, 121331), (2527, 51999), (7581, 17333)]