17980347

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 30104064

約数和(自身を除く): 12123717

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 277, 281, 831, 843, 1939, 1967, 3047, 3091, 5817, 5901, 9141, 9273, 21329, 21637, 63987, 64911, 77837, 233511, 544859, 856207, 1634577, 2568621, 5993449, 17980347]

約数ペア:

[(1, 17980347), (3, 5993449), (7, 2568621), (11, 1634577), (21, 856207), (33, 544859), (77, 233511), (231, 77837), (277, 64911), (281, 63987), (831, 21637), (843, 21329), (1939, 9273), (1967, 9141), (3047, 5901), (3091, 5817)]