25158081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20809}}^1$

素因数の和:20856

約数の個数: 16

約数和(自身を含む): 37291520

約数和(自身を除く): 12133439

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 20809, 62427, 270517, 645079, 811551, 1935237, 8386027, 25158081]

約数ペア:

[(1, 25158081), (3, 8386027), (13, 1935237), (31, 811551), (39, 645079), (93, 270517), (403, 62427), (1209, 20809)]