319347

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 545376

約数和(自身を除く): 226029

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 137, 259, 333, 411, 777, 959, 1233, 2331, 2877, 5069, 8631, 15207, 35483, 45621, 106449, 319347]

約数ペア:

[(1, 319347), (3, 106449), (7, 45621), (9, 35483), (21, 15207), (37, 8631), (63, 5069), (111, 2877), (137, 2331), (259, 1233), (333, 959), (411, 777)]