80221617

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9871}}^1$

素因数の和:9930

約数の個数: 32

約数和(自身を含む): 138997760

約数和(自身を除く): 58776143

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 9871, 29613, 69097, 88839, 207291, 266517, 424453, 621873, 1273359, 1865619, 2971171, 3820077, 8913513, 11460231, 26740539, 80221617]

約数ペア:

[(1, 80221617), (3, 26740539), (7, 11460231), (9, 8913513), (21, 3820077), (27, 2971171), (43, 1865619), (63, 1273359), (129, 621873), (189, 424453), (301, 266517), (387, 207291), (903, 88839), (1161, 69097), (2709, 29613), (8127, 9871)]