31312521

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{68219}}^1$

素因数の和:68245

約数の個数: 16

約数和(自身を含む): 49118400

約数和(自身を除く): 17805879

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 68219, 204657, 613971, 1159723, 1841913, 3479169, 10437507, 31312521]

約数ペア:

[(1, 31312521), (3, 10437507), (9, 3479169), (17, 1841913), (27, 1159723), (51, 613971), (153, 204657), (459, 68219)]