80071983

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{1597}}^1$

素因数の和:2228

約数の個数: 20

約数和(自身を含む): 119881960

約数和(自身を除く): 39809977

約数列:

[1, 3, 9, 27, 81, 619, 1597, 1857, 4791, 5571, 14373, 16713, 43119, 50139, 129357, 988543, 2965629, 8896887, 26690661, 80071983]

約数ペア:

[(1, 80071983), (3, 26690661), (9, 8896887), (27, 2965629), (81, 988543), (619, 129357), (1597, 50139), (1857, 43119), (4791, 16713), (5571, 14373)]