13641639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21757}}^1$

素因数の和:21790

約数の個数: 16

約数和(自身を含む): 20887680

約数和(自身を除く): 7246041

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 21757, 65271, 239327, 413383, 717981, 1240149, 4547213, 13641639]

約数ペア:

[(1, 13641639), (3, 4547213), (11, 1240149), (19, 717981), (33, 413383), (57, 239327), (209, 65271), (627, 21757)]