13439517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 9784803

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2591, 5187, 7773, 18137, 33683, 49229, 54411, 101049, 147687, 235781, 344603, 639977, 707343, 1033809, 1919931, 4479839, 13439517]

約数ペア:

[(1, 13439517), (3, 4479839), (7, 1919931), (13, 1033809), (19, 707343), (21, 639977), (39, 344603), (57, 235781), (91, 147687), (133, 101049), (247, 54411), (273, 49229), (399, 33683), (741, 18137), (1729, 7773), (2591, 5187)]