15971211

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 24957504

約数和(自身を除く): 8986293

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2221, 2397, 6663, 7191, 19989, 37757, 104387, 113271, 313161, 339813, 939483, 1774579, 5323737, 15971211]

約数ペア:

[(1, 15971211), (3, 5323737), (9, 1774579), (17, 939483), (47, 339813), (51, 313161), (141, 113271), (153, 104387), (423, 37757), (799, 19989), (2221, 7191), (2397, 6663)]