16556643

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4349}}^1$

素因数の和:4408

約数の個数: 20

約数和(自身を含む): 25264800

約数和(自身を除く): 8708157

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4349, 13047, 39141, 117423, 204403, 352269, 613209, 1839627, 5518881, 16556643]

約数ペア:

[(1, 16556643), (3, 5518881), (9, 1839627), (27, 613209), (47, 352269), (81, 204403), (141, 117423), (423, 39141), (1269, 13047), (3807, 4349)]