8084205

素因数分解:

$3^4\times 5^1\times {\mathrm{19961}}^1$

素因数の和:19978

約数の個数: 20

約数和(自身を含む): 14492412

約数和(自身を除く): 6408207

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19961, 59883, 99805, 179649, 299415, 538947, 898245, 1616841, 2694735, 8084205]

約数ペア:

[(1, 8084205), (3, 2694735), (5, 1616841), (9, 898245), (15, 538947), (27, 299415), (45, 179649), (81, 99805), (135, 59883), (405, 19961)]