206859177

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2663}}^1$

素因数の和:2819

約数の個数: 40

約数和(自身を含む): 355867776

約数和(自身を除く): 149008599

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2663, 2877, 3699, 7989, 8631, 11097, 18641, 23967, 25893, 55923, 71901, 77679, 167769, 215703, 364831, 503307, 1094493, 1509921, 2553817, 3283479, 7661451, 9850437, 22984353, 29551311, 68953059, 206859177]

約数ペア:

[(1, 206859177), (3, 68953059), (7, 29551311), (9, 22984353), (21, 9850437), (27, 7661451), (63, 3283479), (81, 2553817), (137, 1509921), (189, 1094493), (411, 503307), (567, 364831), (959, 215703), (1233, 167769), (2663, 77679), (2877, 71901), (3699, 55923), (7989, 25893), (8631, 23967), (11097, 18641)]