388672281

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{1429}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 574654080

約数和(自身を除く): 185981799

約数列:

[1, 3, 9, 47, 141, 423, 643, 1429, 1929, 4287, 5787, 12861, 30221, 67163, 90663, 201489, 271989, 604467, 918847, 2756541, 8269623, 43185809, 129557427, 388672281]

約数ペア:

[(1, 388672281), (3, 129557427), (9, 43185809), (47, 8269623), (141, 2756541), (423, 918847), (643, 604467), (1429, 271989), (1929, 201489), (4287, 90663), (5787, 67163), (12861, 30221)]