80870427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{983}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 131304960

約数和(自身を除く): 50434533

約数列:

[1, 3, 9, 11, 27, 33, 99, 277, 297, 831, 983, 2493, 2949, 3047, 7479, 8847, 9141, 10813, 26541, 27423, 32439, 82269, 97317, 272291, 291951, 816873, 2450619, 2995201, 7351857, 8985603, 26956809, 80870427]

約数ペア:

[(1, 80870427), (3, 26956809), (9, 8985603), (11, 7351857), (27, 2995201), (33, 2450619), (99, 816873), (277, 291951), (297, 272291), (831, 97317), (983, 82269), (2493, 32439), (2949, 27423), (3047, 26541), (7479, 10813), (8847, 9141)]