191028999

素因数分解:

$3^1\times 7^2\times {\mathrm{823}}^1\times {\mathrm{1579}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 296837760

約数和(自身を除く): 105808761

約数列:

[1, 3, 7, 21, 49, 147, 823, 1579, 2469, 4737, 5761, 11053, 17283, 33159, 40327, 77371, 120981, 232113, 1299517, 3898551, 9096619, 27289857, 63676333, 191028999]

約数ペア:

[(1, 191028999), (3, 63676333), (7, 27289857), (21, 9096619), (49, 3898551), (147, 1299517), (823, 232113), (1579, 120981), (2469, 77371), (4737, 40327), (5761, 33159), (11053, 17283)]