201997911

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 296104056

約数和(自身を除く): 94106145

約数列:

[1, 3, 19, 37, 57, 71, 111, 213, 361, 703, 1083, 1349, 2109, 2627, 4047, 5041, 7881, 13357, 15123, 25631, 40071, 49913, 76893, 95779, 149739, 186517, 287337, 559551, 948347, 1819801, 2845041, 3543823, 5459403, 10631469, 67332637, 201997911]

約数ペア:

[(1, 201997911), (3, 67332637), (19, 10631469), (37, 5459403), (57, 3543823), (71, 2845041), (111, 1819801), (213, 948347), (361, 559551), (703, 287337), (1083, 186517), (1349, 149739), (2109, 95779), (2627, 76893), (4047, 49913), (5041, 40071), (7881, 25631), (13357, 15123)]