31054359

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 20426217

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 2351, 4403, 7053, 13209, 16457, 39967, 49371, 86987, 119901, 260961, 279769, 608909, 839307, 1478779, 1826727, 4436337, 10351453, 31054359]

約数ペア:

[(1, 31054359), (3, 10351453), (7, 4436337), (17, 1826727), (21, 1478779), (37, 839307), (51, 608909), (111, 279769), (119, 260961), (259, 119901), (357, 86987), (629, 49371), (777, 39967), (1887, 16457), (2351, 13209), (4403, 7053)]