7998507

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 13381632

約数和(自身を除く): 5383125

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 191, 297, 423, 517, 573, 891, 1269, 1551, 1719, 2101, 3807, 4653, 5157, 6303, 8977, 13959, 15471, 18909, 26931, 41877, 56727, 80793, 98747, 170181, 242379, 296241, 727137, 888723, 2666169, 7998507]

約数ペア:

[(1, 7998507), (3, 2666169), (9, 888723), (11, 727137), (27, 296241), (33, 242379), (47, 170181), (81, 98747), (99, 80793), (141, 56727), (191, 41877), (297, 26931), (423, 18909), (517, 15471), (573, 13959), (891, 8977), (1269, 6303), (1551, 5157), (1719, 4653), (2101, 3807)]