259161

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 421344

約数和(自身を除く): 162183

約数列:

[1, 3, 7, 21, 41, 43, 49, 123, 129, 147, 287, 301, 861, 903, 1763, 2009, 2107, 5289, 6027, 6321, 12341, 37023, 86387, 259161]

約数ペア:

[(1, 259161), (3, 86387), (7, 37023), (21, 12341), (41, 6321), (43, 6027), (49, 5289), (123, 2107), (129, 2009), (147, 1763), (287, 903), (301, 861)]