1999557

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 3496896

約数和(自身を除く): 1497339

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1867, 5601, 13069, 16803, 31739, 39207, 95217, 117621, 222173, 285651, 666519, 1999557]

約数ペア:

[(1, 1999557), (3, 666519), (7, 285651), (9, 222173), (17, 117621), (21, 95217), (51, 39207), (63, 31739), (119, 16803), (153, 13069), (357, 5601), (1071, 1867)]