12782421

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{24917}}^1$

素因数の和:24945

約数の個数: 16

約数和(自身を含む): 19934400

約数和(自身を除く): 7151979

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 24917, 74751, 224253, 473423, 672759, 1420269, 4260807, 12782421]

約数ペア:

[(1, 12782421), (3, 4260807), (9, 1420269), (19, 672759), (27, 473423), (57, 224253), (171, 74751), (513, 24917)]