217222733

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3187}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 274754592

約数和(自身を除く): 57531859

約数列:

[1, 7, 13, 49, 91, 107, 637, 749, 1391, 3187, 5243, 9737, 22309, 41431, 68159, 156163, 290017, 341009, 2030119, 2387063, 4433117, 16709441, 31031819, 217222733]

約数ペア:

[(1, 217222733), (7, 31031819), (13, 16709441), (49, 4433117), (91, 2387063), (107, 2030119), (637, 341009), (749, 290017), (1391, 156163), (3187, 68159), (5243, 41431), (9737, 22309)]