51712569

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 77680512

約数和(自身を除く): 25967943

約数列:

[1, 3, 9, 37, 83, 111, 249, 333, 747, 1871, 3071, 5613, 9213, 16839, 27639, 69227, 155293, 207681, 465879, 623043, 1397637, 5745841, 17237523, 51712569]

約数ペア:

[(1, 51712569), (3, 17237523), (9, 5745841), (37, 1397637), (83, 623043), (111, 465879), (249, 207681), (333, 155293), (747, 69227), (1871, 27639), (3071, 16839), (5613, 9213)]