31587921

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{68819}}^1$

素因数の和:68845

約数の個数: 16

約数和(自身を含む): 49550400

約数和(自身を除く): 17962479

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 68819, 206457, 619371, 1169923, 1858113, 3509769, 10529307, 31587921]

約数ペア:

[(1, 31587921), (3, 10529307), (9, 3509769), (17, 1858113), (27, 1169923), (51, 619371), (153, 206457), (459, 68819)]