6461721

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 11059200

約数和(自身を除く): 4597479

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 191, 537, 573, 1253, 1337, 1611, 1719, 3759, 4011, 4833, 5157, 11277, 12033, 33831, 34189, 36099, 102567, 239323, 307701, 717969, 923103, 2153907, 6461721]

約数ペア:

[(1, 6461721), (3, 2153907), (7, 923103), (9, 717969), (21, 307701), (27, 239323), (63, 102567), (179, 36099), (189, 34189), (191, 33831), (537, 12033), (573, 11277), (1253, 5157), (1337, 4833), (1611, 4011), (1719, 3759)]