80990766

素因数分解:

$2^1\times 3^4\times {\mathrm{499943}}^1$

素因数の和:499957

約数の個数: 20

約数和(自身を含む): 181479672

約数和(自身を除く): 100488906

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 499943, 999886, 1499829, 2999658, 4499487, 8998974, 13498461, 26996922, 40495383, 80990766]

約数ペア:

[(1, 80990766), (2, 40495383), (3, 26996922), (6, 13498461), (9, 8998974), (18, 4499487), (27, 2999658), (54, 1499829), (81, 999886), (162, 499943)]