9981531

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3371}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 16833024

約数和(自身を除く): 6851493

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 3371, 10113, 23597, 30339, 70791, 158437, 212373, 475311, 1109059, 1425933, 3327177, 9981531]

約数ペア:

[(1, 9981531), (3, 3327177), (7, 1425933), (9, 1109059), (21, 475311), (47, 212373), (63, 158437), (141, 70791), (329, 30339), (423, 23597), (987, 10113), (2961, 3371)]