81068517

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1777}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 121209816

約数和(自身を除く): 40141299

約数列:

[1, 3, 9, 37, 111, 137, 333, 411, 1233, 1777, 5069, 5331, 15207, 15993, 45621, 65749, 197247, 243449, 591741, 730347, 2191041, 9007613, 27022839, 81068517]

約数ペア:

[(1, 81068517), (3, 27022839), (9, 9007613), (37, 2191041), (111, 730347), (137, 591741), (333, 243449), (411, 197247), (1233, 65749), (1777, 45621), (5069, 15993), (5331, 15207)]