7863399

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:708

約数の個数: 20

約数和(自身を含む): 11830896

約数和(自身を除く): 3967497

約数列:

[1, 3, 9, 27, 81, 193, 503, 579, 1509, 1737, 4527, 5211, 13581, 15633, 40743, 97079, 291237, 873711, 2621133, 7863399]

約数ペア:

[(1, 7863399), (3, 2621133), (9, 873711), (27, 291237), (81, 97079), (193, 40743), (503, 15633), (579, 13581), (1509, 5211), (1737, 4527)]