8640621

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 14284800

約数和(自身を除く): 5644179

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 619, 1269, 1551, 1857, 4653, 5571, 6809, 13959, 16713, 20427, 29093, 61281, 87279, 183843, 261837, 320023, 785511, 960069, 2880207, 8640621]

約数ペア:

[(1, 8640621), (3, 2880207), (9, 960069), (11, 785511), (27, 320023), (33, 261837), (47, 183843), (99, 87279), (141, 61281), (297, 29093), (423, 20427), (517, 16713), (619, 13959), (1269, 6809), (1551, 5571), (1857, 4653)]