71388471

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7187}}^1$

素因数の和:7251

約数の個数: 32

約数和(自身を含む): 121448448

約数和(自身を除く): 50059977

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 7187, 9933, 21561, 50309, 79057, 150927, 237171, 309041, 553399, 927123, 1660197, 2163287, 3399451, 6489861, 10198353, 23796157, 71388471]

約数ペア:

[(1, 71388471), (3, 23796157), (7, 10198353), (11, 6489861), (21, 3399451), (33, 2163287), (43, 1660197), (77, 927123), (129, 553399), (231, 309041), (301, 237171), (473, 150927), (903, 79057), (1419, 50309), (3311, 21561), (7187, 9933)]