111142857

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 174875392

約数和(自身を除く): 63732535

約数列:

[1, 3, 7, 21, 37, 111, 259, 313, 457, 777, 939, 1371, 2191, 3199, 6573, 9597, 11581, 16909, 34743, 50727, 81067, 118363, 143041, 243201, 355089, 429123, 1001287, 3003861, 5292517, 15877551, 37047619, 111142857]

約数ペア:

[(1, 111142857), (3, 37047619), (7, 15877551), (21, 5292517), (37, 3003861), (111, 1001287), (259, 429123), (313, 355089), (457, 243201), (777, 143041), (939, 118363), (1371, 81067), (2191, 50727), (3199, 34743), (6573, 16909), (9597, 11581)]