213807

素因数分解:

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

素因数の和:75

約数の個数: 24

約数和(自身を含む): 340480

約数和(自身を除く): 126673

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 121, 209, 341, 363, 589, 627, 1023, 1767, 2299, 3751, 6479, 6897, 11253, 19437, 71269, 213807]

約数ペア:

[(1, 213807), (3, 71269), (11, 19437), (19, 11253), (31, 6897), (33, 6479), (57, 3751), (93, 2299), (121, 1767), (209, 1023), (341, 627), (363, 589)]