12998895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 13128465

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 89, 91, 105, 107, 195, 267, 273, 321, 445, 455, 535, 623, 749, 1157, 1335, 1365, 1391, 1605, 1869, 2247, 3115, 3471, 3745, 4173, 5785, 6955, 8099, 9345, 9523, 9737, 11235, 17355, 20865, 24297, 28569, 29211, 40495, 47615, 48685, 66661, 121485, 123799, 142845, 146055, 199983, 333305, 371397, 618995, 866593, 999915, 1856985, 2599779, 4332965, 12998895]

約数ペア:

[(1, 12998895), (3, 4332965), (5, 2599779), (7, 1856985), (13, 999915), (15, 866593), (21, 618995), (35, 371397), (39, 333305), (65, 199983), (89, 146055), (91, 142845), (105, 123799), (107, 121485), (195, 66661), (267, 48685), (273, 47615), (321, 40495), (445, 29211), (455, 28569), (535, 24297), (623, 20865), (749, 17355), (1157, 11235), (1335, 9737), (1365, 9523), (1391, 9345), (1605, 8099), (1869, 6955), (2247, 5785), (3115, 4173), (3471, 3745)]