128445903

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1607}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 189641088

約数和(自身を除く): 61195185

約数列:

[1, 3, 9, 83, 107, 249, 321, 747, 963, 1607, 4821, 8881, 14463, 26643, 79929, 133381, 171949, 400143, 515847, 1200429, 1547541, 14271767, 42815301, 128445903]

約数ペア:

[(1, 128445903), (3, 42815301), (9, 14271767), (83, 1547541), (107, 1200429), (249, 515847), (321, 400143), (747, 171949), (963, 133381), (1607, 79929), (4821, 26643), (8881, 14463)]