1640691351

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1\times {\mathrm{7001}}^1$

素因数の和:9023

約数の個数: 24

約数和(自身を含む): 2553825456

約数和(自身を除く): 913134105

約数列:

[1, 3, 9, 13, 39, 117, 2003, 6009, 7001, 18027, 21003, 26039, 63009, 78117, 91013, 234351, 273039, 819117, 14023003, 42069009, 126207027, 182299039, 546897117, 1640691351]

約数ペア:

[(1, 1640691351), (3, 546897117), (9, 182299039), (13, 126207027), (39, 42069009), (117, 14023003), (2003, 819117), (6009, 273039), (7001, 234351), (18027, 91013), (21003, 78117), (26039, 63009)]