78840539985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{142055027}}^1$

素因数の和:142055072

約数の個数: 16

約数和(自身を含む): 129554185536

約数和(自身を除く): 50713645551

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 142055027, 426165081, 710275135, 2130825405, 5256035999, 15768107997, 26280179995, 78840539985]

約数ペア:

[(1, 78840539985), (3, 26280179995), (5, 15768107997), (15, 5256035999), (37, 2130825405), (111, 710275135), (185, 426165081), (555, 142055027)]