1669968009

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{82139}}^1$

素因数の和:82402

約数の個数: 20

約数和(自身を含む): 2504612880

約数和(自身を除く): 834644871

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 20331, 82139, 246417, 739251, 2217753, 6653259, 20616889, 61850667, 185552001, 556656003, 1669968009]

約数ペア:

[(1, 1669968009), (3, 556656003), (9, 185552001), (27, 61850667), (81, 20616889), (251, 6653259), (753, 2217753), (2259, 739251), (6777, 246417), (20331, 82139)]