678249

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 1257984

約数和(自身を除く): 579735

約数列:

[1, 3, 9, 11, 13, 17, 31, 33, 39, 51, 93, 99, 117, 143, 153, 187, 221, 279, 341, 403, 429, 527, 561, 663, 1023, 1209, 1287, 1581, 1683, 1989, 2431, 3069, 3627, 4433, 4743, 5797, 6851, 7293, 13299, 17391, 20553, 21879, 39897, 52173, 61659, 75361, 226083, 678249]

約数ペア:

[(1, 678249), (3, 226083), (9, 75361), (11, 61659), (13, 52173), (17, 39897), (31, 21879), (33, 20553), (39, 17391), (51, 13299), (93, 7293), (99, 6851), (117, 5797), (143, 4743), (153, 4433), (187, 3627), (221, 3069), (279, 2431), (341, 1989), (403, 1683), (429, 1581), (527, 1287), (561, 1209), (663, 1023)]