215512866

素因数分解:

$2^1\times 3^3\times {\mathrm{3990979}}^1$

素因数の和:3990990

約数の個数: 16

約数和(自身を含む): 478917600

約数和(自身を除く): 263404734

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 3990979, 7981958, 11972937, 23945874, 35918811, 71837622, 107756433, 215512866]

約数ペア:

[(1, 215512866), (2, 107756433), (3, 71837622), (6, 35918811), (9, 23945874), (18, 11972937), (27, 7981958), (54, 3990979)]