28020729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 14726535

約数列:

[1, 3, 11, 33, 37, 53, 111, 159, 407, 433, 583, 1221, 1299, 1749, 1961, 4763, 5883, 14289, 16021, 21571, 22949, 48063, 64713, 68847, 176231, 252439, 528693, 757317, 849113, 2547339, 9340243, 28020729]

約数ペア:

[(1, 28020729), (3, 9340243), (11, 2547339), (33, 849113), (37, 757317), (53, 528693), (111, 252439), (159, 176231), (407, 68847), (433, 64713), (583, 48063), (1221, 22949), (1299, 21571), (1749, 16021), (1961, 14289), (4763, 5883)]