51897153

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 91422720

約数和(自身を除く): 39525567

約数列:

[1, 3, 7, 11, 21, 29, 33, 61, 77, 87, 127, 183, 203, 231, 319, 381, 427, 609, 671, 889, 957, 1281, 1397, 1769, 2013, 2233, 2667, 3683, 4191, 4697, 5307, 6699, 7747, 9779, 11049, 12383, 14091, 19459, 23241, 25781, 29337, 37149, 40513, 54229, 58377, 77343, 85217, 121539, 136213, 162687, 224663, 255651, 283591, 408639, 596519, 673989, 850773, 1572641, 1789557, 2471293, 4717923, 7413879, 17299051, 51897153]

約数ペア:

[(1, 51897153), (3, 17299051), (7, 7413879), (11, 4717923), (21, 2471293), (29, 1789557), (33, 1572641), (61, 850773), (77, 673989), (87, 596519), (127, 408639), (183, 283591), (203, 255651), (231, 224663), (319, 162687), (381, 136213), (427, 121539), (609, 85217), (671, 77343), (889, 58377), (957, 54229), (1281, 40513), (1397, 37149), (1769, 29337), (2013, 25781), (2233, 23241), (2667, 19459), (3683, 14091), (4191, 12383), (4697, 11049), (5307, 9779), (6699, 7747)]