209489721

素因数分解:

$3^1\times 7^1\times {\mathrm{2713}}^1\times {\mathrm{3677}}^1$

素因数の和:6400

約数の個数: 16

約数和(自身を含む): 319426944

約数和(自身を除く): 109937223

約数列:

[1, 3, 7, 21, 2713, 3677, 8139, 11031, 18991, 25739, 56973, 77217, 9975701, 29927103, 69829907, 209489721]

約数ペア:

[(1, 209489721), (3, 69829907), (7, 29927103), (21, 9975701), (2713, 77217), (3677, 56973), (8139, 25739), (11031, 18991)]