215683767

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{49823}}^1$

素因数の和:49879

約数の個数: 24

約数和(自身を含む): 344582784

約数和(自身を除く): 128899017

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 49823, 149469, 448407, 647699, 1843451, 1943097, 5530353, 5829291, 16591059, 23964863, 71894589, 215683767]

約数ペア:

[(1, 215683767), (3, 71894589), (9, 23964863), (13, 16591059), (37, 5829291), (39, 5530353), (111, 1943097), (117, 1843451), (333, 647699), (481, 448407), (1443, 149469), (4329, 49823)]