13853721

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 21798624

約数和(自身を除く): 7944903

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1291, 1533, 3577, 3873, 9037, 10731, 27111, 63259, 94243, 189777, 282729, 659701, 1979103, 4617907, 13853721]

約数ペア:

[(1, 13853721), (3, 4617907), (7, 1979103), (21, 659701), (49, 282729), (73, 189777), (147, 94243), (219, 63259), (511, 27111), (1291, 10731), (1533, 9037), (3577, 3873)]