16965981

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 25272000

約数和(自身を除く): 8306019

約数列:

[1, 3, 9, 59, 89, 177, 267, 359, 531, 801, 1077, 3231, 5251, 15753, 21181, 31951, 47259, 63543, 95853, 190629, 287559, 1885109, 5655327, 16965981]

約数ペア:

[(1, 16965981), (3, 5655327), (9, 1885109), (59, 287559), (89, 190629), (177, 95853), (267, 63543), (359, 47259), (531, 31951), (801, 21181), (1077, 15753), (3231, 5251)]