12781851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4231}}^1$

素因数の和:4306

約数の個数: 16

約数和(自身を含む): 18282240

約数和(自身を除く): 5500389

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 4231, 12693, 80389, 224243, 241167, 672729, 4260617, 12781851]

約数ペア:

[(1, 12781851), (3, 4260617), (19, 672729), (53, 241167), (57, 224243), (159, 80389), (1007, 12693), (3021, 4231)]