12720942

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{18121}}^1$

素因数の和:18145

約数の個数: 32

約数和(自身を含む): 30444960

約数和(自身を除く): 17724018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 18121, 36242, 54363, 108726, 163089, 235573, 326178, 471146, 489267, 706719, 978534, 1413438, 2120157, 4240314, 6360471, 12720942]

約数ペア:

[(1, 12720942), (2, 6360471), (3, 4240314), (6, 2120157), (9, 1413438), (13, 978534), (18, 706719), (26, 489267), (27, 471146), (39, 326178), (54, 235573), (78, 163089), (117, 108726), (234, 54363), (351, 36242), (702, 18121)]