204554217

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1361}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 331064064

約数和(自身を除く): 126509847

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 421, 1263, 1361, 2947, 4083, 7157, 8841, 9527, 21471, 23137, 28581, 50099, 69411, 150297, 161959, 485877, 572981, 1718943, 4010867, 9740677, 12032601, 29222031, 68184739, 204554217]

約数ペア:

[(1, 204554217), (3, 68184739), (7, 29222031), (17, 12032601), (21, 9740677), (51, 4010867), (119, 1718943), (357, 572981), (421, 485877), (1263, 161959), (1361, 150297), (2947, 69411), (4083, 50099), (7157, 28581), (8841, 23137), (9527, 21471)]