208529997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{811}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 316485120

約数和(自身を除く): 107955123

約数列:

[1, 3, 13, 19, 39, 57, 247, 347, 741, 811, 1041, 2433, 4511, 6593, 10543, 13533, 15409, 19779, 31629, 46227, 85709, 200317, 257127, 281417, 600951, 844251, 3658421, 5346923, 10975263, 16040769, 69509999, 208529997]

約数ペア:

[(1, 208529997), (3, 69509999), (13, 16040769), (19, 10975263), (39, 5346923), (57, 3658421), (247, 844251), (347, 600951), (741, 281417), (811, 257127), (1041, 200317), (2433, 85709), (4511, 46227), (6593, 31629), (10543, 19779), (13533, 15409)]