25830531

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{9931}}^1$

素因数の和:9971

約数の個数: 18

約数和(自身を含む): 39638612

約数和(自身を除く): 13808081

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 9931, 29793, 89379, 168827, 506481, 1519443, 2870059, 8610177, 25830531]

約数ペア:

[(1, 25830531), (3, 8610177), (9, 2870059), (17, 1519443), (51, 506481), (153, 168827), (289, 89379), (867, 29793), (2601, 9931)]