205651839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2679

約数の個数: 32

約数和(自身を含む): 309415680

約数和(自身を除く): 103763841

約数列:

[1, 3, 17, 19, 51, 57, 83, 249, 323, 969, 1411, 1577, 2557, 4233, 4731, 7671, 26809, 43469, 48583, 80427, 130407, 145749, 212231, 636693, 825911, 2477733, 3607927, 4032389, 10823781, 12097167, 68550613, 205651839]

約数ペア:

[(1, 205651839), (3, 68550613), (17, 12097167), (19, 10823781), (51, 4032389), (57, 3607927), (83, 2477733), (249, 825911), (323, 636693), (969, 212231), (1411, 145749), (1577, 130407), (2557, 80427), (4233, 48583), (4731, 43469), (7671, 26809)]