156860721

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{929}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 230822280

約数和(自身を除く): 73961559

約数列:

[1, 3, 9, 73, 219, 257, 657, 771, 929, 2313, 2787, 8361, 18761, 56283, 67817, 168849, 203451, 238753, 610353, 716259, 2148777, 17428969, 52286907, 156860721]

約数ペア:

[(1, 156860721), (3, 52286907), (9, 17428969), (73, 2148777), (219, 716259), (257, 610353), (657, 238753), (771, 203451), (929, 168849), (2313, 67817), (2787, 56283), (8361, 18761)]