199059201

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 326688384

約数和(自身を除く): 127629183

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 297, 471, 891, 1413, 1423, 1727, 4239, 4269, 5181, 12717, 12807, 15543, 15653, 38421, 46629, 46959, 115263, 139887, 140877, 223411, 422631, 670233, 1267893, 2010699, 2457521, 6032097, 7372563, 18096291, 22117689, 66353067, 199059201]

約数ペア:

[(1, 199059201), (3, 66353067), (9, 22117689), (11, 18096291), (27, 7372563), (33, 6032097), (81, 2457521), (99, 2010699), (157, 1267893), (297, 670233), (471, 422631), (891, 223411), (1413, 140877), (1423, 139887), (1727, 115263), (4239, 46959), (4269, 46629), (5181, 38421), (12717, 15653), (12807, 15543)]