9971241

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 16036608

約数和(自身を除く): 6065367

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 313, 777, 861, 939, 1517, 2191, 4551, 6573, 10619, 11581, 12833, 31857, 34743, 38499, 81067, 89831, 243201, 269493, 474821, 1424463, 3323747, 9971241]

約数ペア:

[(1, 9971241), (3, 3323747), (7, 1424463), (21, 474821), (37, 269493), (41, 243201), (111, 89831), (123, 81067), (259, 38499), (287, 34743), (313, 31857), (777, 12833), (861, 11581), (939, 10619), (1517, 6573), (2191, 4551)]