71201781

素因数分解:

$3^3\times 7^1\times {\mathrm{376729}}^1$

素因数の和:376745

約数の個数: 16

約数和(自身を含む): 120553600

約数和(自身を除く): 49351819

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 376729, 1130187, 2637103, 3390561, 7911309, 10171683, 23733927, 71201781]

約数ペア:

[(1, 71201781), (3, 23733927), (7, 10171683), (9, 7911309), (21, 3390561), (27, 2637103), (63, 1130187), (189, 376729)]