51872121

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11279}}^1$

素因数の和:11365

約数の個数: 24

約数和(自身を含む): 86810880

約数和(自身を除く): 34938759

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 11279, 33837, 78953, 101511, 236859, 710577, 823367, 2470101, 5763569, 7410303, 17290707, 51872121]

約数ペア:

[(1, 51872121), (3, 17290707), (7, 7410303), (9, 5763569), (21, 2470101), (63, 823367), (73, 710577), (219, 236859), (511, 101511), (657, 78953), (1533, 33837), (4599, 11279)]