12864957

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1697}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 20702016

約数和(自身を除く): 7837059

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1697, 2527, 5091, 7581, 11879, 32243, 35637, 96729, 225701, 612617, 677103, 1837851, 4288319, 12864957]

約数ペア:

[(1, 12864957), (3, 4288319), (7, 1837851), (19, 677103), (21, 612617), (57, 225701), (133, 96729), (361, 35637), (399, 32243), (1083, 11879), (1697, 7581), (2527, 5091)]