28863621

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8342

約数の個数: 20

約数和(自身を含む): 44125312

約数和(自身を除く): 15261691

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8287, 24861, 74583, 223749, 356341, 671247, 1069023, 3207069, 9621207, 28863621]

約数ペア:

[(1, 28863621), (3, 9621207), (9, 3207069), (27, 1069023), (43, 671247), (81, 356341), (129, 223749), (387, 74583), (1161, 24861), (3483, 8287)]