209320029

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1709}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 312998400

約数和(自身を除く): 103678371

約数列:

[1, 3, 9, 31, 93, 279, 439, 1317, 1709, 3951, 5127, 13609, 15381, 40827, 52979, 122481, 158937, 476811, 750251, 2250753, 6752259, 23257781, 69773343, 209320029]

約数ペア:

[(1, 209320029), (3, 69773343), (9, 23257781), (31, 6752259), (93, 2250753), (279, 750251), (439, 476811), (1317, 158937), (1709, 122481), (3951, 52979), (5127, 40827), (13609, 15381)]