206994417

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4591}}^1$

素因数の和:4733

約数の個数: 32

約数和(自身を含む): 335032320

約数和(自身を除く): 128037903

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 2147, 2373, 4591, 6441, 13773, 15029, 32137, 45087, 87229, 96411, 261687, 518783, 610603, 1556349, 1831809, 3631481, 9856877, 10894443, 29570631, 68998139, 206994417]

約数ペア:

[(1, 206994417), (3, 68998139), (7, 29570631), (19, 10894443), (21, 9856877), (57, 3631481), (113, 1831809), (133, 1556349), (339, 610603), (399, 518783), (791, 261687), (2147, 96411), (2373, 87229), (4591, 45087), (6441, 32137), (13773, 15029)]