2013604971

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{720947}}^1$

素因数の和:720983

約数の個数: 24

約数和(自身を含む): 3287522880

約数和(自身を除く): 1273917909

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 720947, 2162841, 5046629, 13697993, 15139887, 35326403, 41093979, 95885951, 105979209, 287657853, 671201657, 2013604971]

約数ペア:

[(1, 2013604971), (3, 671201657), (7, 287657853), (19, 105979209), (21, 95885951), (49, 41093979), (57, 35326403), (133, 15139887), (147, 13697993), (399, 5046629), (931, 2162841), (2793, 720947)]