16920819

素因数分解:

$3^8\times {\mathrm{2579}}^1$

素因数の和:2603

約数の個数: 18

約数和(自身を含む): 25389780

約数和(自身を除く): 8468961

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 2579, 6561, 7737, 23211, 69633, 208899, 626697, 1880091, 5640273, 16920819]

約数ペア:

[(1, 16920819), (3, 5640273), (9, 1880091), (27, 626697), (81, 208899), (243, 69633), (729, 23211), (2187, 7737), (2579, 6561)]