80660721

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{523}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 109033920

約数和(自身を除く): 28373199

約数列:

[1, 3, 101, 303, 509, 523, 1527, 1569, 51409, 52823, 154227, 158469, 266207, 798621, 26886907, 80660721]

約数ペア:

[(1, 80660721), (3, 26886907), (101, 798621), (303, 266207), (509, 158469), (523, 154227), (1527, 52823), (1569, 51409)]