1212307821

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{969071}}^1$

素因数の和:969216

約数の個数: 12

約数和(自身を含む): 1763711040

約数和(自身を除く): 551403219

約数列:

[1, 3, 9, 139, 417, 1251, 969071, 2907213, 8721639, 134700869, 404102607, 1212307821]

約数ペア:

[(1, 1212307821), (3, 404102607), (9, 134700869), (139, 8721639), (417, 2907213), (1251, 969071)]