12990705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 26492928

約数和(自身を除く): 13502223

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 195, 217, 273, 307, 403, 455, 465, 651, 921, 1085, 1209, 1365, 1535, 2015, 2149, 2821, 3255, 3991, 4605, 6045, 6447, 8463, 9517, 10745, 11973, 14105, 19955, 27937, 28551, 32235, 42315, 47585, 59865, 66619, 83811, 123721, 139685, 142755, 199857, 333095, 371163, 419055, 618605, 866047, 999285, 1855815, 2598141, 4330235, 12990705]

約数ペア:

[(1, 12990705), (3, 4330235), (5, 2598141), (7, 1855815), (13, 999285), (15, 866047), (21, 618605), (31, 419055), (35, 371163), (39, 333095), (65, 199857), (91, 142755), (93, 139685), (105, 123721), (155, 83811), (195, 66619), (217, 59865), (273, 47585), (307, 42315), (403, 32235), (455, 28551), (465, 27937), (651, 19955), (921, 14105), (1085, 11973), (1209, 10745), (1365, 9517), (1535, 8463), (2015, 6447), (2149, 6045), (2821, 4605), (3255, 3991)]