19740528063

素因数分解:

$3^5\times {\mathrm{571}}^1\times {\mathrm{142271}}^1$

素因数の和:142857

約数の個数: 24

約数和(自身を含む): 29622168576

約数和(自身を除く): 9881640513

約数列:

[1, 3, 9, 27, 81, 243, 571, 1713, 5139, 15417, 46251, 138753, 142271, 426813, 1280439, 3841317, 11523951, 34571853, 81236741, 243710223, 731130669, 2193392007, 6580176021, 19740528063]

約数ペア:

[(1, 19740528063), (3, 6580176021), (9, 2193392007), (27, 731130669), (81, 243710223), (243, 81236741), (571, 34571853), (1713, 11523951), (5139, 3841317), (15417, 1280439), (46251, 426813), (138753, 142271)]