81639423

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{11353}}^1$

素因数の和:11423

約数の個数: 24

約数和(自身を含む): 127528128

約数和(自身を除く): 45888705

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 7191, 11353, 34059, 102177, 193001, 533591, 579003, 1600773, 1737009, 4802319, 9071047, 27213141, 81639423]

約数ペア:

[(1, 81639423), (3, 27213141), (9, 9071047), (17, 4802319), (47, 1737009), (51, 1600773), (141, 579003), (153, 533591), (423, 193001), (799, 102177), (2397, 34059), (7191, 11353)]