397971837

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{14087}}^1$

素因数の和:14209

約数の個数: 24

約数和(自身を含む): 596316864

約数和(自身を除く): 198345027

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 3139, 9417, 14087, 28251, 42261, 126783, 605741, 1028351, 1817223, 3085053, 5451669, 9255159, 44219093, 132657279, 397971837]

約数ペア:

[(1, 397971837), (3, 132657279), (9, 44219093), (43, 9255159), (73, 5451669), (129, 3085053), (219, 1817223), (387, 1028351), (657, 605741), (3139, 126783), (9417, 42261), (14087, 28251)]