12739005

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 10070595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 479, 591, 985, 1437, 1773, 2395, 2955, 4311, 5319, 7185, 8865, 12933, 21555, 26595, 64665, 94363, 283089, 471815, 849267, 1415445, 2547801, 4246335, 12739005]

約数ペア:

[(1, 12739005), (3, 4246335), (5, 2547801), (9, 1415445), (15, 849267), (27, 471815), (45, 283089), (135, 94363), (197, 64665), (479, 26595), (591, 21555), (985, 12933), (1437, 8865), (1773, 7185), (2395, 5319), (2955, 4311)]