208449

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 336960

約数和(自身を除く): 128511

約数列:

[1, 3, 9, 19, 23, 53, 57, 69, 159, 171, 207, 437, 477, 1007, 1219, 1311, 3021, 3657, 3933, 9063, 10971, 23161, 69483, 208449]

約数ペア:

[(1, 208449), (3, 69483), (9, 23161), (19, 10971), (23, 9063), (53, 3933), (57, 3657), (69, 3021), (159, 1311), (171, 1219), (207, 1007), (437, 477)]