201998907

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15817}}^1$

素因数の和:15880

約数の個数: 32

約数和(自身を含む): 334076160

約数和(自身を除く): 132077253

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 4257, 12771, 15817, 47451, 142353, 173987, 427059, 521961, 680131, 1565883, 2040393, 4697649, 6121179, 7481441, 18363537, 22444323, 67332969, 201998907]

約数ペア:

[(1, 201998907), (3, 67332969), (9, 22444323), (11, 18363537), (27, 7481441), (33, 6121179), (43, 4697649), (99, 2040393), (129, 1565883), (297, 680131), (387, 521961), (473, 427059), (1161, 173987), (1419, 142353), (4257, 47451), (12771, 15817)]