1990659795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7806509}}^1$

素因数の和:7806534

約数の個数: 16

約数和(自身を含む): 3372412320

約数和(自身を除く): 1381752525

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 7806509, 23419527, 39032545, 117097635, 132710653, 398131959, 663553265, 1990659795]

約数ペア:

[(1, 1990659795), (3, 663553265), (5, 398131959), (15, 132710653), (17, 117097635), (51, 39032545), (85, 23419527), (255, 7806509)]