81618651

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131431}}^1$

素因数の和:131463

約数の個数: 16

約数和(自身を含む): 126174720

約数和(自身を除く): 44556069

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 131431, 394293, 1182879, 3022913, 3548637, 9068739, 27206217, 81618651]

約数ペア:

[(1, 81618651), (3, 27206217), (9, 9068739), (23, 3548637), (27, 3022913), (69, 1182879), (207, 394293), (621, 131431)]