12638925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 25389000

約数和(自身を除く): 12750075

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 149, 195, 225, 261, 325, 377, 435, 447, 585, 725, 745, 975, 1131, 1305, 1341, 1885, 1937, 2175, 2235, 2925, 3393, 3725, 4321, 5655, 5811, 6525, 6705, 9425, 9685, 11175, 12963, 16965, 17433, 21605, 28275, 29055, 33525, 38889, 48425, 56173, 64815, 84825, 87165, 108025, 145275, 168519, 194445, 280865, 324075, 435825, 505557, 842595, 972225, 1404325, 2527785, 4212975, 12638925]

約数ペア:

[(1, 12638925), (3, 4212975), (5, 2527785), (9, 1404325), (13, 972225), (15, 842595), (25, 505557), (29, 435825), (39, 324075), (45, 280865), (65, 194445), (75, 168519), (87, 145275), (117, 108025), (145, 87165), (149, 84825), (195, 64815), (225, 56173), (261, 48425), (325, 38889), (377, 33525), (435, 29055), (447, 28275), (585, 21605), (725, 17433), (745, 16965), (975, 12963), (1131, 11175), (1305, 9685), (1341, 9425), (1885, 6705), (1937, 6525), (2175, 5811), (2235, 5655), (2925, 4321), (3393, 3725)]