84578985

素因数分解:

$3^4\times 5^1\times {\mathrm{208837}}^1$

素因数の和:208854

約数の個数: 20

約数和(自身を含む): 151616388

約数和(自身を除く): 67037403

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 208837, 626511, 1044185, 1879533, 3132555, 5638599, 9397665, 16915797, 28192995, 84578985]

約数ペア:

[(1, 84578985), (3, 28192995), (5, 16915797), (9, 9397665), (15, 5638599), (27, 3132555), (45, 1879533), (81, 1044185), (135, 626511), (405, 208837)]