81536721

素因数分解:

$3^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{5297}}^1$

素因数の和:6040

約数の個数: 16

約数和(自身を含む): 124439424

約数和(自身を除く): 42902703

約数列:

[1, 3, 7, 21, 733, 2199, 5131, 5297, 15393, 15891, 37079, 111237, 3882701, 11648103, 27178907, 81536721]

約数ペア:

[(1, 81536721), (3, 27178907), (7, 11648103), (21, 3882701), (733, 111237), (2199, 37079), (5131, 15891), (5297, 15393)]