7621047

素因数分解:

$3^4\times 7^1\times {\mathrm{13441}}^1$

素因数の和:13460

約数の個数: 20

約数和(自身を含む): 13011856

約数和(自身を除く): 5390809

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13441, 40323, 94087, 120969, 282261, 362907, 846783, 1088721, 2540349, 7621047]

約数ペア:

[(1, 7621047), (3, 2540349), (7, 1088721), (9, 846783), (21, 362907), (27, 282261), (63, 120969), (81, 94087), (189, 40323), (567, 13441)]