12212865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 24455808

約数和(自身を除く): 12242943

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 283, 315, 411, 685, 849, 959, 1233, 1415, 1981, 2055, 2547, 2877, 4245, 4795, 5943, 6165, 8631, 9905, 12735, 14385, 17829, 29715, 38771, 43155, 89145, 116313, 193855, 271397, 348939, 581565, 814191, 1356985, 1744695, 2442573, 4070955, 12212865]

約数ペア:

[(1, 12212865), (3, 4070955), (5, 2442573), (7, 1744695), (9, 1356985), (15, 814191), (21, 581565), (35, 348939), (45, 271397), (63, 193855), (105, 116313), (137, 89145), (283, 43155), (315, 38771), (411, 29715), (685, 17829), (849, 14385), (959, 12735), (1233, 9905), (1415, 8631), (1981, 6165), (2055, 5943), (2547, 4795), (2877, 4245)]