313778907

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{653}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 515299680

約数和(自身を除く): 201520773

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 653, 999, 1369, 1443, 1959, 4107, 4329, 5877, 8489, 12321, 12987, 17631, 17797, 24161, 25467, 36963, 53391, 72483, 76401, 160173, 217449, 229203, 314093, 480519, 652347, 893957, 942279, 2681871, 2826837, 8045613, 8480511, 11621441, 24136839, 34864323, 104592969, 313778907]

約数ペア:

[(1, 313778907), (3, 104592969), (9, 34864323), (13, 24136839), (27, 11621441), (37, 8480511), (39, 8045613), (111, 2826837), (117, 2681871), (333, 942279), (351, 893957), (481, 652347), (653, 480519), (999, 314093), (1369, 229203), (1443, 217449), (1959, 160173), (4107, 76401), (4329, 72483), (5877, 53391), (8489, 36963), (12321, 25467), (12987, 24161), (17631, 17797)]