28825551

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1489}}^1$

素因数の和:1740

約数の個数: 20

約数和(自身を含む): 43269600

約数和(自身を除く): 14444049

約数列:

[1, 3, 9, 27, 81, 239, 717, 1489, 2151, 4467, 6453, 13401, 19359, 40203, 120609, 355871, 1067613, 3202839, 9608517, 28825551]

約数ペア:

[(1, 28825551), (3, 9608517), (9, 3202839), (27, 1067613), (81, 355871), (239, 120609), (717, 40203), (1489, 19359), (2151, 13401), (4467, 6453)]