2051280063

素因数分解:

$3^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{37993}}^1$

素因数の和:38863

約数の個数: 24

約数和(自身を含む): 3390280608

約数和(自身を除く): 1339000545

約数列:

[1, 3, 7, 9, 21, 63, 857, 2571, 5999, 7713, 17997, 37993, 53991, 113979, 265951, 341937, 797853, 2393559, 32560001, 97680003, 227920007, 293040009, 683760021, 2051280063]

約数ペア:

[(1, 2051280063), (3, 683760021), (7, 293040009), (9, 227920007), (21, 97680003), (63, 32560001), (857, 2393559), (2571, 797853), (5999, 341937), (7713, 265951), (17997, 113979), (37993, 53991)]