1890009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 3156192

約数和(自身を除く): 1266183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1123, 1683, 3369, 10107, 12353, 19091, 37059, 57273, 111177, 171819, 210001, 630003, 1890009]

約数ペア:

[(1, 1890009), (3, 630003), (9, 210001), (11, 171819), (17, 111177), (33, 57273), (51, 37059), (99, 19091), (153, 12353), (187, 10107), (561, 3369), (1123, 1683)]