206924787

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{3697}}^1$

素因数の和:4400

約数の個数: 20

約数和(自身を含む): 309640936

約数和(自身を除く): 102716149

約数列:

[1, 3, 9, 27, 81, 691, 2073, 3697, 6219, 11091, 18657, 33273, 55971, 99819, 299457, 2554627, 7663881, 22991643, 68974929, 206924787]

約数ペア:

[(1, 206924787), (3, 68974929), (9, 22991643), (27, 7663881), (81, 2554627), (691, 299457), (2073, 99819), (3697, 55971), (6219, 33273), (11091, 18657)]