56720211

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{23663}}^1$

素因数の和:23730

約数の個数: 16

約数和(自身を含む): 81782784

約数和(自身を除く): 25062573

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 23663, 70989, 402271, 1112161, 1206813, 3336483, 18906737, 56720211]

約数ペア:

[(1, 56720211), (3, 18906737), (17, 3336483), (47, 1206813), (51, 1112161), (141, 402271), (799, 70989), (2397, 23663)]