66806817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 111919104

約数和(自身を除く): 45112287

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2111, 2877, 4521, 6333, 10549, 14777, 23221, 31647, 44331, 69663, 162547, 289207, 487641, 867621, 2024449, 3181277, 6073347, 9543831, 22268939, 66806817]

約数ペア:

[(1, 66806817), (3, 22268939), (7, 9543831), (11, 6073347), (21, 3181277), (33, 2024449), (77, 867621), (137, 487641), (231, 289207), (411, 162547), (959, 69663), (1507, 44331), (2111, 31647), (2877, 23221), (4521, 14777), (6333, 10549)]