9891981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 15708576

約数和(自身を除く): 5816595

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 613, 1467, 1793, 1839, 5379, 5517, 6743, 16137, 20229, 60687, 99919, 299757, 899271, 1099109, 3297327, 9891981]

約数ペア:

[(1, 9891981), (3, 3297327), (9, 1099109), (11, 899271), (33, 299757), (99, 99919), (163, 60687), (489, 20229), (613, 16137), (1467, 6743), (1793, 5517), (1839, 5379)]