1225125729

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{60259}}^1$

素因数の和:60522

約数の個数: 20

約数和(自身を含む): 1837447920

約数和(自身を除く): 612322191

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 20331, 60259, 180777, 542331, 1626993, 4880979, 15125009, 45375027, 136125081, 408375243, 1225125729]

約数ペア:

[(1, 1225125729), (3, 408375243), (9, 136125081), (27, 45375027), (81, 15125009), (251, 4880979), (753, 1626993), (2259, 542331), (6777, 180777), (20331, 60259)]