25201089

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{9689}}^1$

素因数の和:9729

約数の個数: 18

約数和(自身を含む): 38672790

約数和(自身を除く): 13471701

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 9689, 29067, 87201, 164713, 494139, 1482417, 2800121, 8400363, 25201089]

約数ペア:

[(1, 25201089), (3, 8400363), (9, 2800121), (17, 1482417), (51, 494139), (153, 164713), (289, 87201), (867, 29067), (2601, 9689)]