639112101

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{26633}}^1$

素因数の和:27076

約数の個数: 16

約数和(自身を含む): 899163840

約数和(自身を除く): 260051739

約数列:

[1, 3, 19, 57, 421, 1263, 7999, 23997, 26633, 79899, 506027, 1518081, 11212493, 33637479, 213037367, 639112101]

約数ペア:

[(1, 639112101), (3, 213037367), (19, 33637479), (57, 11212493), (421, 1518081), (1263, 506027), (7999, 79899), (23997, 26633)]