72904311

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{1181}}^1$

素因数の和:1244

約数の個数: 24

約数和(自身を含む): 111249840

約数和(自身を除く): 38345529

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 1181, 3249, 3543, 6859, 10629, 20577, 22439, 61731, 67317, 201951, 426341, 1279023, 3837069, 8100479, 24301437, 72904311]

約数ペア:

[(1, 72904311), (3, 24301437), (9, 8100479), (19, 3837069), (57, 1279023), (171, 426341), (361, 201951), (1083, 67317), (1181, 61731), (3249, 22439), (3543, 20577), (6859, 10629)]