215758143

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{1667}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 317713968

約数和(自身を除く): 101955825

約数列:

[1, 3, 9, 73, 197, 219, 591, 657, 1667, 1773, 5001, 14381, 15003, 43143, 121691, 129429, 328399, 365073, 985197, 1095219, 2955591, 23973127, 71919381, 215758143]

約数ペア:

[(1, 215758143), (3, 71919381), (9, 23973127), (73, 2955591), (197, 1095219), (219, 985197), (591, 365073), (657, 328399), (1667, 129429), (1773, 121691), (5001, 43143), (14381, 15003)]