30981327

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 47755008

約数和(自身を除く): 16773681

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 563, 663, 1079, 1411, 1689, 3237, 4233, 7319, 9571, 18343, 21957, 28713, 46729, 55029, 124423, 140187, 373269, 607477, 794393, 1822431, 2383179, 10327109, 30981327]

約数ペア:

[(1, 30981327), (3, 10327109), (13, 2383179), (17, 1822431), (39, 794393), (51, 607477), (83, 373269), (221, 140187), (249, 124423), (563, 55029), (663, 46729), (1079, 28713), (1411, 21957), (1689, 18343), (3237, 9571), (4233, 7319)]