81508581

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{117617}}^1$

素因数の和:117641

約数の個数: 24

約数和(自身を含む): 146787264

約数和(自身を除く): 65278683

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 117617, 352851, 823319, 1058553, 1293787, 2469957, 3881361, 7409871, 9056509, 11644083, 27169527, 81508581]

約数ペア:

[(1, 81508581), (3, 27169527), (7, 11644083), (9, 9056509), (11, 7409871), (21, 3881361), (33, 2469957), (63, 1293787), (77, 1058553), (99, 823319), (231, 352851), (693, 117617)]