38397723

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 65270016

約数和(自身を除く): 26872293

約数列:

[1, 3, 7, 13, 21, 39, 49, 71, 91, 147, 213, 273, 283, 497, 637, 849, 923, 1491, 1911, 1981, 2769, 3479, 3679, 5943, 6461, 10437, 11037, 13867, 19383, 20093, 25753, 41601, 45227, 60279, 77259, 135681, 140651, 180271, 261209, 421953, 540813, 783627, 984557, 1828463, 2953671, 5485389, 12799241, 38397723]

約数ペア:

[(1, 38397723), (3, 12799241), (7, 5485389), (13, 2953671), (21, 1828463), (39, 984557), (49, 783627), (71, 540813), (91, 421953), (147, 261209), (213, 180271), (273, 140651), (283, 135681), (497, 77259), (637, 60279), (849, 45227), (923, 41601), (1491, 25753), (1911, 20093), (1981, 19383), (2769, 13867), (3479, 11037), (3679, 10437), (5943, 6461)]