291270087

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{19867}}^1$

素因数の和:20060

約数の個数: 20

約数和(自身を含む): 437533096

約数和(自身を除く): 146263009

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 14661, 19867, 59601, 178803, 536409, 1609227, 3595927, 10787781, 32363343, 97090029, 291270087]

約数ペア:

[(1, 291270087), (3, 97090029), (9, 32363343), (27, 10787781), (81, 3595927), (181, 1609227), (543, 536409), (1629, 178803), (4887, 59601), (14661, 19867)]