68389209

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{29339}}^1$

素因数の和:29389

約数の個数: 24

約数和(自身を含む): 115951680

約数和(自身を除く): 47562471

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 29339, 88017, 205373, 264051, 616119, 1085543, 1848357, 3256629, 7598801, 9769887, 22796403, 68389209]

約数ペア:

[(1, 68389209), (3, 22796403), (7, 9769887), (9, 7598801), (21, 3256629), (37, 1848357), (63, 1085543), (111, 616119), (259, 264051), (333, 205373), (777, 88017), (2331, 29339)]