27999867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 45660672

約数和(自身を除く): 17660805

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 733, 749, 1819, 2199, 2247, 5131, 5457, 12461, 12733, 15393, 37383, 38199, 78431, 87227, 235293, 261681, 549017, 1333327, 1647051, 3999981, 9333289, 27999867]

約数ペア:

[(1, 27999867), (3, 9333289), (7, 3999981), (17, 1647051), (21, 1333327), (51, 549017), (107, 261681), (119, 235293), (321, 87227), (357, 78431), (733, 38199), (749, 37383), (1819, 15393), (2199, 12733), (2247, 12461), (5131, 5457)]