12783903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20389}}^1$

素因数の和:20422

約数の個数: 16

約数和(自身を含む): 19574400

約数和(自身を除く): 6790497

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20389, 61167, 224279, 387391, 672837, 1162173, 4261301, 12783903]

約数ペア:

[(1, 12783903), (3, 4261301), (11, 1162173), (19, 672837), (33, 387391), (57, 224279), (209, 61167), (627, 20389)]