25640469

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{13763}}^1$

素因数の和:13798

約数の個数: 20

約数和(自身を含む): 39970656

約数和(自身を除く): 14330187

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 13763, 41289, 123867, 316549, 371601, 949647, 1114803, 2848941, 8546823, 25640469]

約数ペア:

[(1, 25640469), (3, 8546823), (9, 2848941), (23, 1114803), (27, 949647), (69, 371601), (81, 316549), (207, 123867), (621, 41289), (1863, 13763)]