1720521

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1954

約数の個数: 20

約数和(自身を含む): 2805264

約数和(自身を除く): 1084743

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 1931, 5793, 17379, 21241, 52137, 63723, 156411, 191169, 573507, 1720521]

約数ペア:

[(1, 1720521), (3, 573507), (9, 191169), (11, 156411), (27, 63723), (33, 52137), (81, 21241), (99, 17379), (297, 5793), (891, 1931)]