120341781

素因数分解:

$3^4\times 7^1\times {\mathrm{212243}}^1$

素因数の和:212262

約数の個数: 20

約数和(自身を含む): 205452192

約数和(自身を除く): 85110411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 212243, 636729, 1485701, 1910187, 4457103, 5730561, 13371309, 17191683, 40113927, 120341781]

約数ペア:

[(1, 120341781), (3, 40113927), (7, 17191683), (9, 13371309), (21, 5730561), (27, 4457103), (63, 1910187), (81, 1485701), (189, 636729), (567, 212243)]