2216997

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 3311680

約数和(自身を除く): 1094683

約数列:

[1, 3, 9, 27, 157, 471, 523, 1413, 1569, 4239, 4707, 14121, 82111, 246333, 738999, 2216997]

約数ペア:

[(1, 2216997), (3, 738999), (9, 246333), (27, 82111), (157, 14121), (471, 4707), (523, 4239), (1413, 1569)]