249951

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 24

約数和(自身を含む): 395280

約数和(自身を除く): 145329

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 169, 221, 377, 493, 507, 663, 1131, 1479, 2873, 4901, 6409, 8619, 14703, 19227, 83317, 249951]

約数ペア:

[(1, 249951), (3, 83317), (13, 19227), (17, 14703), (29, 8619), (39, 6409), (51, 4901), (87, 2873), (169, 1479), (221, 1131), (377, 663), (493, 507)]