206580621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{709}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 307901440

約数和(自身を除く): 101320819

約数列:

[1, 3, 13, 31, 39, 93, 241, 403, 709, 723, 1209, 2127, 3133, 7471, 9217, 9399, 21979, 22413, 27651, 65937, 97123, 170869, 285727, 291369, 512607, 857181, 2221297, 5296939, 6663891, 15890817, 68860207, 206580621]

約数ペア:

[(1, 206580621), (3, 68860207), (13, 15890817), (31, 6663891), (39, 5296939), (93, 2221297), (241, 857181), (403, 512607), (709, 291369), (723, 285727), (1209, 170869), (2127, 97123), (3133, 65937), (7471, 27651), (9217, 22413), (9399, 21979)]