81761999

素因数分解:

${\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1387

約数の個数: 16

約数和(自身を含む): 91915776

約数和(自身を除く): 10153777

約数列:

[1, 11, 47, 121, 517, 1307, 1331, 5687, 14377, 61429, 62557, 158147, 675719, 1739617, 7432909, 81761999]

約数ペア:

[(1, 81761999), (11, 7432909), (47, 1739617), (121, 675719), (517, 158147), (1307, 62557), (1331, 61429), (5687, 14377)]