26661555

素因数分解:

$3^4\times 5^1\times {\mathrm{65831}}^1$

素因数の和:65848

約数の個数: 20

約数和(自身を含む): 47794032

約数和(自身を除く): 21132477

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 65831, 197493, 329155, 592479, 987465, 1777437, 2962395, 5332311, 8887185, 26661555]

約数ペア:

[(1, 26661555), (3, 8887185), (5, 5332311), (9, 2962395), (15, 1777437), (27, 987465), (45, 592479), (81, 329155), (135, 197493), (405, 65831)]