71345421

素因数分解:

$3^3\times 7^2\times {\mathrm{53927}}^1$

素因数の和:53950

約数の個数: 24

約数和(自身を含む): 122955840

約数和(自身を除く): 51610419

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 53927, 161781, 377489, 485343, 1132467, 1456029, 2642423, 3397401, 7927269, 10192203, 23781807, 71345421]

約数ペア:

[(1, 71345421), (3, 23781807), (7, 10192203), (9, 7927269), (21, 3397401), (27, 2642423), (49, 1456029), (63, 1132467), (147, 485343), (189, 377489), (441, 161781), (1323, 53927)]