641421

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 1106560

約数和(自身を除く): 465139

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 121, 171, 209, 279, 341, 363, 589, 627, 1023, 1089, 1767, 1881, 2299, 3069, 3751, 5301, 6479, 6897, 11253, 19437, 20691, 33759, 58311, 71269, 213807, 641421]

約数ペア:

[(1, 641421), (3, 213807), (9, 71269), (11, 58311), (19, 33759), (31, 20691), (33, 19437), (57, 11253), (93, 6897), (99, 6479), (121, 5301), (171, 3751), (209, 3069), (279, 2299), (341, 1881), (363, 1767), (589, 1089), (627, 1023)]