290804913

素因数分解:

$3^2\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{2521}}^1$

素因数の和:4365

約数の個数: 24

約数和(自身を含む): 480511616

約数和(自身を除く): 189706703

約数列:

[1, 3, 7, 9, 21, 63, 1831, 2521, 5493, 7563, 12817, 16479, 17647, 22689, 38451, 52941, 115353, 158823, 4615951, 13847853, 32311657, 41543559, 96934971, 290804913]

約数ペア:

[(1, 290804913), (3, 96934971), (7, 41543559), (9, 32311657), (21, 13847853), (63, 4615951), (1831, 158823), (2521, 115353), (5493, 52941), (7563, 38451), (12817, 22689), (16479, 17647)]