81639711

素因数分解:

$3^3\times {\mathrm{1453}}^1\times {\mathrm{2081}}^1$

素因数の和:3543

約数の個数: 16

約数和(自身を含む): 121089120

約数和(自身を除く): 39449409

約数列:

[1, 3, 9, 27, 1453, 2081, 4359, 6243, 13077, 18729, 39231, 56187, 3023693, 9071079, 27213237, 81639711]

約数ペア:

[(1, 81639711), (3, 27213237), (9, 9071079), (27, 3023693), (1453, 56187), (2081, 39231), (4359, 18729), (6243, 13077)]