51731901

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 36326979

約数列:

[1, 3, 9, 13, 17, 31, 39, 51, 93, 117, 153, 221, 279, 403, 527, 663, 839, 1209, 1581, 1989, 2517, 3627, 4743, 6851, 7551, 10907, 14263, 20553, 26009, 32721, 42789, 61659, 78027, 98163, 128367, 185419, 234081, 338117, 442153, 556257, 1014351, 1326459, 1668771, 3043053, 3979377, 5747989, 17243967, 51731901]

約数ペア:

[(1, 51731901), (3, 17243967), (9, 5747989), (13, 3979377), (17, 3043053), (31, 1668771), (39, 1326459), (51, 1014351), (93, 556257), (117, 442153), (153, 338117), (221, 234081), (279, 185419), (403, 128367), (527, 98163), (663, 78027), (839, 61659), (1209, 42789), (1581, 32721), (1989, 26009), (2517, 20553), (3627, 14263), (4743, 10907), (6851, 7551)]