81719793

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 125521920

約数和(自身を除く): 43802127

約数列:

[1, 3, 9, 27, 47, 71, 141, 213, 423, 639, 907, 1269, 1917, 2721, 3337, 8163, 10011, 24489, 30033, 42629, 64397, 90099, 127887, 193191, 383661, 579573, 1150983, 1738719, 3026659, 9079977, 27239931, 81719793]

約数ペア:

[(1, 81719793), (3, 27239931), (9, 9079977), (27, 3026659), (47, 1738719), (71, 1150983), (141, 579573), (213, 383661), (423, 193191), (639, 127887), (907, 90099), (1269, 64397), (1917, 42629), (2721, 30033), (3337, 24489), (8163, 10011)]