68679471

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4075

約数の個数: 32

約数和(自身を含む): 112752640

約数和(自身を除く): 44073169

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 4003, 5719, 12009, 17157, 28021, 76057, 84063, 172129, 228171, 516387, 532399, 1204903, 1597197, 3270451, 3614709, 9811353, 22893157, 68679471]

約数ペア:

[(1, 68679471), (3, 22893157), (7, 9811353), (19, 3614709), (21, 3270451), (43, 1597197), (57, 1204903), (129, 532399), (133, 516387), (301, 228171), (399, 172129), (817, 84063), (903, 76057), (2451, 28021), (4003, 17157), (5719, 12009)]