30902991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 50388480

約数和(自身を除く): 19485489

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 809, 1819, 2247, 2427, 5457, 5663, 12733, 13753, 16989, 38199, 41259, 86563, 96271, 259689, 288813, 605941, 1471571, 1817823, 4414713, 10300997, 30902991]

約数ペア:

[(1, 30902991), (3, 10300997), (7, 4414713), (17, 1817823), (21, 1471571), (51, 605941), (107, 288813), (119, 259689), (321, 96271), (357, 86563), (749, 41259), (809, 38199), (1819, 16989), (2247, 13753), (2427, 12733), (5457, 5663)]