51201579

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 83365632

約数和(自身を除く): 32164053

約数列:

[1, 3, 11, 13, 33, 39, 41, 71, 123, 143, 213, 429, 451, 533, 781, 923, 1353, 1599, 1681, 2343, 2769, 2911, 5043, 5863, 8733, 10153, 17589, 18491, 21853, 30459, 32021, 37843, 55473, 65559, 96063, 113529, 119351, 240383, 358053, 416273, 721149, 1248819, 1312861, 1551563, 3938583, 4654689, 17067193, 51201579]

約数ペア:

[(1, 51201579), (3, 17067193), (11, 4654689), (13, 3938583), (33, 1551563), (39, 1312861), (41, 1248819), (71, 721149), (123, 416273), (143, 358053), (213, 240383), (429, 119351), (451, 113529), (533, 96063), (781, 65559), (923, 55473), (1353, 37843), (1599, 32021), (1681, 30459), (2343, 21853), (2769, 18491), (2911, 17589), (5043, 10153), (5863, 8733)]