64694295

素因数分解:

$3^4\times 5^1\times {\mathrm{159739}}^1$

素因数の和:159756

約数の個数: 20

約数和(自身を含む): 115971240

約数和(自身を除く): 51276945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159739, 479217, 798695, 1437651, 2396085, 4312953, 7188255, 12938859, 21564765, 64694295]

約数ペア:

[(1, 64694295), (3, 21564765), (5, 12938859), (9, 7188255), (15, 4312953), (27, 2396085), (45, 1437651), (81, 798695), (135, 479217), (405, 159739)]