207520413

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 297369600

約数和(自身を除く): 89849187

約数列:

[1, 3, 19, 57, 109, 127, 263, 327, 381, 789, 2071, 2413, 4997, 6213, 7239, 13843, 14991, 28667, 33401, 41529, 86001, 100203, 263017, 544673, 634619, 789051, 1634019, 1903857, 3640709, 10922127, 69173471, 207520413]

約数ペア:

[(1, 207520413), (3, 69173471), (19, 10922127), (57, 3640709), (109, 1903857), (127, 1634019), (263, 789051), (327, 634619), (381, 544673), (789, 263017), (2071, 100203), (2413, 86001), (4997, 41529), (6213, 33401), (7239, 28667), (13843, 14991)]