15723279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 28129920

約数和(自身を除く): 12406641

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 643, 741, 1287, 1881, 1929, 2223, 2717, 5787, 7073, 8151, 8359, 12217, 21219, 24453, 25077, 36651, 63657, 75231, 91949, 109953, 134387, 158821, 275847, 403161, 476463, 827541, 1209483, 1429389, 1747031, 5241093, 15723279]

約数ペア:

[(1, 15723279), (3, 5241093), (9, 1747031), (11, 1429389), (13, 1209483), (19, 827541), (33, 476463), (39, 403161), (57, 275847), (99, 158821), (117, 134387), (143, 109953), (171, 91949), (209, 75231), (247, 63657), (429, 36651), (627, 25077), (643, 24453), (741, 21219), (1287, 12217), (1881, 8359), (1929, 8151), (2223, 7073), (2717, 5787)]