81719037

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{2179}}^1$

素因数の和:2654

約数の個数: 20

約数和(自身を含む): 122393920

約数和(自身を除く): 40674883

約数列:

[1, 3, 9, 27, 81, 463, 1389, 2179, 4167, 6537, 12501, 19611, 37503, 58833, 176499, 1008877, 3026631, 9079893, 27239679, 81719037]

約数ペア:

[(1, 81719037), (3, 27239679), (9, 9079893), (27, 3026631), (81, 1008877), (463, 176499), (1389, 58833), (2179, 37503), (4167, 19611), (6537, 12501)]