4945647

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 7962624

約数和(自身を除く): 3016977

約数列:

[1, 3, 7, 21, 31, 71, 93, 107, 213, 217, 321, 497, 651, 749, 1491, 2201, 2247, 3317, 6603, 7597, 9951, 15407, 22791, 23219, 46221, 53179, 69657, 159537, 235507, 706521, 1648549, 4945647]

約数ペア:

[(1, 4945647), (3, 1648549), (7, 706521), (21, 235507), (31, 159537), (71, 69657), (93, 53179), (107, 46221), (213, 23219), (217, 22791), (321, 15407), (497, 9951), (651, 7597), (749, 6603), (1491, 3317), (2201, 2247)]