8205657789

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1\times {\mathrm{2749}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 12576256000

約数和(自身を除く): 4370598211

約数列:

[1, 3, 7, 21, 307, 463, 921, 1389, 2149, 2749, 3241, 6447, 8247, 9723, 19243, 57729, 142141, 426423, 843943, 994987, 1272787, 2531829, 2984961, 3818361, 5907601, 8909509, 17722803, 26728527, 390745609, 1172236827, 2735219263, 8205657789]

約数ペア:

[(1, 8205657789), (3, 2735219263), (7, 1172236827), (21, 390745609), (307, 26728527), (463, 17722803), (921, 8909509), (1389, 5907601), (2149, 3818361), (2749, 2984961), (3241, 2531829), (6447, 1272787), (8247, 994987), (9723, 843943), (19243, 426423), (57729, 142141)]