28811937

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 49204224

約数和(自身を除く): 20392287

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 3371, 8547, 10113, 23597, 37081, 70791, 111243, 124727, 259567, 374181, 778701, 873089, 1371997, 2619267, 4115991, 9603979, 28811937]

約数ペア:

[(1, 28811937), (3, 9603979), (7, 4115991), (11, 2619267), (21, 1371997), (33, 873089), (37, 778701), (77, 374181), (111, 259567), (231, 124727), (259, 111243), (407, 70791), (777, 37081), (1221, 23597), (2849, 10113), (3371, 8547)]