142913841

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{13693}}^1$

素因数の和:13781

約数の個数: 24

約数和(自身を含む): 224800704

約数和(自身を除く): 81886863

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 13693, 41079, 95851, 287553, 670957, 972203, 2012871, 2916609, 6805421, 20416263, 47637947, 142913841]

約数ペア:

[(1, 142913841), (3, 47637947), (7, 20416263), (21, 6805421), (49, 2916609), (71, 2012871), (147, 972203), (213, 670957), (497, 287553), (1491, 95851), (3479, 41079), (10437, 13693)]