30915261

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13907}}^1$

素因数の和:13945

約数の個数: 24

約数和(自身を含む): 50625120

約数和(自身を除く): 19709859

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 13907, 41721, 125163, 180791, 264233, 542373, 792699, 1627119, 2378097, 3435029, 10305087, 30915261]

約数ペア:

[(1, 30915261), (3, 10305087), (9, 3435029), (13, 2378097), (19, 1627119), (39, 792699), (57, 542373), (117, 264233), (171, 180791), (247, 125163), (741, 41721), (2223, 13907)]