31358421

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{7591}}^1$

素因数の和:7623

約数の個数: 24

約数和(自身を含む): 49742784

約数和(自身を除く): 18384363

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 7591, 22773, 68319, 129047, 204957, 387141, 614871, 1161423, 1844613, 3484269, 10452807, 31358421]

約数ペア:

[(1, 31358421), (3, 10452807), (9, 3484269), (17, 1844613), (27, 1161423), (51, 614871), (81, 387141), (153, 204957), (243, 129047), (459, 68319), (1377, 22773), (4131, 7591)]