66387681

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{9209}}^1$

素因数の和:9310

約数の個数: 20

約数和(自身を含む): 100296900

約数和(自身を除く): 33909219

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 9209, 27627, 82881, 248643, 745929, 819601, 2458803, 7376409, 22129227, 66387681]

約数ペア:

[(1, 66387681), (3, 22129227), (9, 7376409), (27, 2458803), (81, 819601), (89, 745929), (267, 248643), (801, 82881), (2403, 27627), (7209, 9209)]