81386127

素因数分解:

$3^4\times {\mathrm{947}}^1\times {\mathrm{1061}}^1$

素因数の和:2020

約数の個数: 20

約数和(自身を含む): 121819896

約数和(自身を除く): 40433769

約数列:

[1, 3, 9, 27, 81, 947, 1061, 2841, 3183, 8523, 9549, 25569, 28647, 76707, 85941, 1004767, 3014301, 9042903, 27128709, 81386127]

約数ペア:

[(1, 81386127), (3, 27128709), (9, 9042903), (27, 3014301), (81, 1004767), (947, 85941), (1061, 76707), (2841, 28647), (3183, 25569), (8523, 9549)]