3991693713

素因数分解:

$3^1\times 7^4\times {\mathrm{554171}}^1$

素因数の和:554202

約数の個数: 20

約数和(自身を含む): 6208943088

約数和(自身を除く): 2217249375

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 554171, 1662513, 3879197, 11637591, 27154379, 81463137, 190080653, 570241959, 1330564571, 3991693713]

約数ペア:

[(1, 3991693713), (3, 1330564571), (7, 570241959), (21, 190080653), (49, 81463137), (147, 27154379), (343, 11637591), (1029, 3879197), (2401, 1662513), (7203, 554171)]