201921621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 298968192

約数和(自身を除く): 97046571

約数列:

[1, 3, 11, 33, 113, 173, 313, 339, 519, 939, 1243, 1903, 3443, 3729, 5709, 10329, 19549, 35369, 54149, 58647, 106107, 162447, 215039, 389059, 595639, 645117, 1167177, 1786917, 6118837, 18356511, 67307207, 201921621]

約数ペア:

[(1, 201921621), (3, 67307207), (11, 18356511), (33, 6118837), (113, 1786917), (173, 1167177), (313, 645117), (339, 595639), (519, 389059), (939, 215039), (1243, 162447), (1903, 106107), (3443, 58647), (3729, 54149), (5709, 35369), (10329, 19549)]