12722289

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:3996

約数の個数: 16

約数和(自身を含む): 18081792

約数和(自身を除く): 5359503

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 3923, 11769, 90229, 184381, 270687, 553143, 4240763, 12722289]

約数ペア:

[(1, 12722289), (3, 4240763), (23, 553143), (47, 270687), (69, 184381), (141, 90229), (1081, 11769), (3243, 3923)]