181657215

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18433}}^1$

素因数の和:18520

約数の個数: 32

約数和(自身を含む): 327387840

約数和(自身を除く): 145730625

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855, 18433, 55299, 92165, 165897, 276495, 497691, 829485, 1345609, 2488455, 4036827, 6728045, 12110481, 20184135, 36331443, 60552405, 181657215]

約数ペア:

[(1, 181657215), (3, 60552405), (5, 36331443), (9, 20184135), (15, 12110481), (27, 6728045), (45, 4036827), (73, 2488455), (135, 1345609), (219, 829485), (365, 497691), (657, 276495), (1095, 165897), (1971, 92165), (3285, 55299), (9855, 18433)]