253011

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 402192

約数和(自身を除く): 149181

約数列:

[1, 3, 11, 17, 33, 41, 51, 121, 123, 187, 363, 451, 561, 697, 1353, 2057, 2091, 4961, 6171, 7667, 14883, 23001, 84337, 253011]

約数ペア:

[(1, 253011), (3, 84337), (11, 23001), (17, 14883), (33, 7667), (41, 6171), (51, 4961), (121, 2091), (123, 2057), (187, 1353), (363, 697), (451, 561)]