12818331

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8329}}^1$

素因数の和:8360

約数の個数: 20

約数和(自身を含む): 20158600

約数和(自身を除く): 7340269

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8329, 24987, 74961, 158251, 224883, 474753, 674649, 1424259, 4272777, 12818331]

約数ペア:

[(1, 12818331), (3, 4272777), (9, 1424259), (19, 674649), (27, 474753), (57, 224883), (81, 158251), (171, 74961), (513, 24987), (1539, 8329)]