397789719

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 568358400

約数和(自身を除く): 170568681

約数列:

[1, 3, 19, 57, 113, 151, 339, 409, 453, 1227, 2147, 2869, 6441, 7771, 8607, 17063, 23313, 46217, 51189, 61759, 138651, 185277, 324197, 878123, 972591, 1173421, 2634369, 3520263, 6978767, 20936301, 132596573, 397789719]

約数ペア:

[(1, 397789719), (3, 132596573), (19, 20936301), (57, 6978767), (113, 3520263), (151, 2634369), (339, 1173421), (409, 972591), (453, 878123), (1227, 324197), (2147, 185277), (2869, 138651), (6441, 61759), (7771, 51189), (8607, 46217), (17063, 23313)]