207707973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2539}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 315041280

約数和(自身を除く): 107333307

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 407, 737, 1221, 2211, 2479, 2539, 7437, 7617, 27269, 27929, 81807, 83787, 93943, 170113, 281829, 510339, 1033373, 1871243, 3100119, 5613729, 6294181, 18882543, 69235991, 207707973]

約数ペア:

[(1, 207707973), (3, 69235991), (11, 18882543), (33, 6294181), (37, 5613729), (67, 3100119), (111, 1871243), (201, 1033373), (407, 510339), (737, 281829), (1221, 170113), (2211, 93943), (2479, 83787), (2539, 81807), (7437, 27929), (7617, 27269)]