78830565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 138240000

約数和(自身を除く): 59409435

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 239, 717, 1195, 1999, 2629, 3585, 5997, 7887, 9995, 13145, 21989, 29985, 39435, 65967, 109945, 329835, 477761, 1433283, 2388805, 5255371, 7166415, 15766113, 26276855, 78830565]

約数ペア:

[(1, 78830565), (3, 26276855), (5, 15766113), (11, 7166415), (15, 5255371), (33, 2388805), (55, 1433283), (165, 477761), (239, 329835), (717, 109945), (1195, 65967), (1999, 39435), (2629, 29985), (3585, 21989), (5997, 13145), (7887, 9995)]