1384047

素因数分解:

$3^4\times 7^1\times {\mathrm{2441}}^1$

素因数の和:2460

約数の個数: 20

約数和(自身を含む): 2363856

約数和(自身を除く): 979809

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2441, 7323, 17087, 21969, 51261, 65907, 153783, 197721, 461349, 1384047]

約数ペア:

[(1, 1384047), (3, 461349), (7, 197721), (9, 153783), (21, 65907), (27, 51261), (63, 21969), (81, 17087), (189, 7323), (567, 2441)]