31368869

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 38216448

約数和(自身を除く): 6847579

約数列:

[1, 7, 31, 49, 107, 193, 217, 749, 1351, 1519, 3317, 5243, 5983, 9457, 20651, 23219, 41881, 144557, 162533, 293167, 640181, 1011899, 4481267, 31368869]

約数ペア:

[(1, 31368869), (7, 4481267), (31, 1011899), (49, 640181), (107, 293167), (193, 162533), (217, 144557), (749, 41881), (1351, 23219), (1519, 20651), (3317, 9457), (5243, 5983)]