28996233

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 45720576

約数和(自身を除く): 16724343

約数列:

[1, 3, 7, 21, 43, 129, 163, 197, 301, 489, 591, 903, 1141, 1379, 3423, 4137, 7009, 8471, 21027, 25413, 32111, 49063, 59297, 96333, 147189, 177891, 224777, 674331, 1380773, 4142319, 9665411, 28996233]

約数ペア:

[(1, 28996233), (3, 9665411), (7, 4142319), (21, 1380773), (43, 674331), (129, 224777), (163, 177891), (197, 147189), (301, 96333), (489, 59297), (591, 49063), (903, 32111), (1141, 25413), (1379, 21027), (3423, 8471), (4137, 7009)]