28559739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 42928704

約数和(自身を除く): 14368965

約数列:

[1, 3, 13, 39, 41, 53, 123, 159, 337, 533, 689, 1011, 1599, 2067, 2173, 4381, 6519, 13143, 13817, 17861, 28249, 41451, 53583, 84747, 179621, 232193, 538863, 696579, 732301, 2196903, 9519913, 28559739]

約数ペア:

[(1, 28559739), (3, 9519913), (13, 2196903), (39, 732301), (41, 696579), (53, 538863), (123, 232193), (159, 179621), (337, 84747), (533, 53583), (689, 41451), (1011, 28249), (1599, 17861), (2067, 13817), (2173, 13143), (4381, 6519)]