12780495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3152

約数の個数: 48

約数和(自身を含む): 27273792

約数和(自身を除く): 14493297

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 3121, 4095, 9363, 15605, 21847, 28089, 40573, 46815, 65541, 109235, 121719, 140445, 196623, 202865, 284011, 327705, 365157, 608595, 852033, 983115, 1420055, 1825785, 2556099, 4260165, 12780495]

約数ペア:

[(1, 12780495), (3, 4260165), (5, 2556099), (7, 1825785), (9, 1420055), (13, 983115), (15, 852033), (21, 608595), (35, 365157), (39, 327705), (45, 284011), (63, 202865), (65, 196623), (91, 140445), (105, 121719), (117, 109235), (195, 65541), (273, 46815), (315, 40573), (455, 28089), (585, 21847), (819, 15605), (1365, 9363), (3121, 4095)]