17287893

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 28761408

約数和(自身を除く): 11473515

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2003, 2877, 6009, 8631, 14021, 18027, 42063, 126189, 274411, 823233, 1920877, 2469699, 5762631, 17287893]

約数ペア:

[(1, 17287893), (3, 5762631), (7, 2469699), (9, 1920877), (21, 823233), (63, 274411), (137, 126189), (411, 42063), (959, 18027), (1233, 14021), (2003, 8631), (2877, 6009)]