29891511

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{28387}}^1$

素因数の和:28412

約数の個数: 20

約数和(自身を含む): 48089272

約数和(自身を除く): 18197761

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 28387, 85161, 255483, 369031, 766449, 1107093, 2299347, 3321279, 9963837, 29891511]

約数ペア:

[(1, 29891511), (3, 9963837), (9, 3321279), (13, 2299347), (27, 1107093), (39, 766449), (81, 369031), (117, 255483), (351, 85161), (1053, 28387)]