28388901

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 40196640

約数和(自身を除く): 11807739

約数列:

[1, 3, 31, 43, 93, 129, 229, 687, 961, 1333, 2883, 3999, 7099, 9847, 21297, 29541, 41323, 123969, 220069, 305257, 660207, 915771, 9462967, 28388901]

約数ペア:

[(1, 28388901), (3, 9462967), (31, 915771), (43, 660207), (93, 305257), (129, 220069), (229, 123969), (687, 41323), (961, 29541), (1333, 21297), (2883, 9847), (3999, 7099)]