28821627

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{173}}^2$

素因数の和:459

約数の個数: 18

約数和(自身を含む): 42264612

約数和(自身を除く): 13442985

約数列:

[1, 3, 9, 107, 173, 321, 519, 963, 1557, 18511, 29929, 55533, 89787, 166599, 269361, 3202403, 9607209, 28821627]

約数ペア:

[(1, 28821627), (3, 9607209), (9, 3202403), (107, 269361), (173, 166599), (321, 89787), (519, 55533), (963, 29929), (1557, 18511)]