30987159

素因数分解:

$3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{761}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 48298608

約数和(自身を除く): 17311449

約数列:

[1, 3, 7, 21, 49, 147, 277, 761, 831, 1939, 2283, 5327, 5817, 13573, 15981, 37289, 40719, 111867, 210797, 632391, 1475579, 4426737, 10329053, 30987159]

約数ペア:

[(1, 30987159), (3, 10329053), (7, 4426737), (21, 1475579), (49, 632391), (147, 210797), (277, 111867), (761, 40719), (831, 37289), (1939, 15981), (2283, 13573), (5327, 5817)]