20199006429

素因数分解:

$3^1\times 7^2\times {\mathrm{137408207}}^1$

素因数の和:137408224

約数の個数: 12

約数和(自身を含む): 31329071424

約数和(自身を除く): 11130064995

約数列:

[1, 3, 7, 21, 49, 147, 137408207, 412224621, 961857449, 2885572347, 6733002143, 20199006429]

約数ペア:

[(1, 20199006429), (3, 6733002143), (7, 2885572347), (21, 961857449), (49, 412224621), (147, 137408207)]