16240521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 24864768

約数和(自身を除く): 8624247

約数列:

[1, 3, 11, 33, 37, 47, 111, 141, 283, 407, 517, 849, 1221, 1551, 1739, 3113, 5217, 9339, 10471, 13301, 19129, 31413, 39903, 57387, 115181, 146311, 345543, 438933, 492137, 1476411, 5413507, 16240521]

約数ペア:

[(1, 16240521), (3, 5413507), (11, 1476411), (33, 492137), (37, 438933), (47, 345543), (111, 146311), (141, 115181), (283, 57387), (407, 39903), (517, 31413), (849, 19129), (1221, 13301), (1551, 10471), (1739, 9339), (3113, 5217)]