208506513

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2011}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 312906240

約数和(自身を除く): 104399727

約数列:

[1, 3, 17, 19, 51, 57, 107, 321, 323, 969, 1819, 2011, 2033, 5457, 6033, 6099, 34187, 34561, 38209, 102561, 103683, 114627, 215177, 645531, 649553, 1948659, 3658009, 4088363, 10974027, 12265089, 69502171, 208506513]

約数ペア:

[(1, 208506513), (3, 69502171), (17, 12265089), (19, 10974027), (51, 4088363), (57, 3658009), (107, 1948659), (321, 649553), (323, 645531), (969, 215177), (1819, 114627), (2011, 103683), (2033, 102561), (5457, 38209), (6033, 34561), (6099, 34187)]