30521267

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 37297152

約数和(自身を除く): 6775885

約数列:

[1, 7, 31, 49, 71, 217, 283, 497, 1519, 1981, 2201, 3479, 8773, 13867, 15407, 20093, 61411, 107849, 140651, 429877, 622883, 984557, 4360181, 30521267]

約数ペア:

[(1, 30521267), (7, 4360181), (31, 984557), (49, 622883), (71, 429877), (217, 140651), (283, 107849), (497, 61411), (1519, 20093), (1981, 15407), (2201, 13867), (3479, 8773)]