7728291

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{1307}}^1$

素因数の和:1392

約数の個数: 20

約数和(自身を含む): 11711832

約数和(自身を除く): 3983541

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1307, 1971, 3921, 5913, 11763, 35289, 95411, 105867, 286233, 858699, 2576097, 7728291]

約数ペア:

[(1, 7728291), (3, 2576097), (9, 858699), (27, 286233), (73, 105867), (81, 95411), (219, 35289), (657, 11763), (1307, 5913), (1971, 3921)]