201838767

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 306270720

約数和(自身を除く): 104431953

約数列:

[1, 3, 13, 19, 39, 57, 247, 421, 647, 741, 1263, 1941, 5473, 7999, 8411, 12293, 16419, 23997, 25233, 36879, 103987, 159809, 272387, 311961, 479427, 817161, 3541031, 5175353, 10623093, 15526059, 67279589, 201838767]

約数ペア:

[(1, 201838767), (3, 67279589), (13, 15526059), (19, 10623093), (39, 5175353), (57, 3541031), (247, 817161), (421, 479427), (647, 311961), (741, 272387), (1263, 159809), (1941, 103987), (5473, 36879), (7999, 25233), (8411, 23997), (12293, 16419)]