1228751019

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1229981}}^1$

素因数の和:1230027

約数の個数: 16

約数和(自身を含む): 1869572640

約数和(自身を除く): 640821621

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1229981, 3689943, 11069829, 33209487, 45509297, 136527891, 409583673, 1228751019]

約数ペア:

[(1, 1228751019), (3, 409583673), (9, 136527891), (27, 45509297), (37, 33209487), (111, 11069829), (333, 3689943), (999, 1229981)]