83512215

素因数分解:

$3^4\times 5^1\times {\mathrm{206203}}^1$

素因数の和:206220

約数の個数: 20

約数和(自身を含む): 149704104

約数和(自身を除く): 66191889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 206203, 618609, 1031015, 1855827, 3093045, 5567481, 9279135, 16702443, 27837405, 83512215]

約数ペア:

[(1, 83512215), (3, 27837405), (5, 16702443), (9, 9279135), (15, 5567481), (27, 3093045), (45, 1855827), (81, 1031015), (135, 618609), (405, 206203)]