81663945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{494933}}^1$

素因数の和:494952

約数の個数: 16

約数和(自身を含む): 142540992

約数和(自身を除く): 60877047

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 494933, 1484799, 2474665, 5444263, 7423995, 16332789, 27221315, 81663945]

約数ペア:

[(1, 81663945), (3, 27221315), (5, 16332789), (11, 7423995), (15, 5444263), (33, 2474665), (55, 1484799), (165, 494933)]