211179636

素因数分解:

$2^2\times 3^6\times {\mathrm{72421}}^1$

素因数の和:72443

約数の個数: 42

約数和(自身を含む): 554100722

約数和(自身を除く): 342921086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 72421, 144842, 217263, 289684, 434526, 651789, 869052, 1303578, 1955367, 2607156, 3910734, 5866101, 7821468, 11732202, 17598303, 23464404, 35196606, 52794909, 70393212, 105589818, 211179636]

約数ペア:

[(1, 211179636), (2, 105589818), (3, 70393212), (4, 52794909), (6, 35196606), (9, 23464404), (12, 17598303), (18, 11732202), (27, 7821468), (36, 5866101), (54, 3910734), (81, 2607156), (108, 1955367), (162, 1303578), (243, 869052), (324, 651789), (486, 434526), (729, 289684), (972, 217263), (1458, 144842), (2916, 72421)]