28378959

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{3623}}^1$

素因数の和:4006

約数の個数: 16

約数和(自身を含む): 43372032

約数和(自身を除く): 14993073

約数列:

[1, 3, 7, 21, 373, 1119, 2611, 3623, 7833, 10869, 25361, 76083, 1351379, 4054137, 9459653, 28378959]

約数ペア:

[(1, 28378959), (3, 9459653), (7, 4054137), (21, 1351379), (373, 76083), (1119, 25361), (2611, 10869), (3623, 7833)]