11729205

素因数分解:

$3^4\times 5^1\times {\mathrm{28961}}^1$

素因数の和:28978

約数の個数: 20

約数和(自身を含む): 21026412

約数和(自身を除く): 9297207

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 28961, 86883, 144805, 260649, 434415, 781947, 1303245, 2345841, 3909735, 11729205]

約数ペア:

[(1, 11729205), (3, 3909735), (5, 2345841), (9, 1303245), (15, 781947), (27, 434415), (45, 260649), (81, 144805), (135, 86883), (405, 28961)]