13021239

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56369}}^1$

素因数の和:56390

約数の個数: 16

約数和(自身を含む): 21646080

約数和(自身を除く): 8624841

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 56369, 169107, 394583, 620059, 1183749, 1860177, 4340413, 13021239]

約数ペア:

[(1, 13021239), (3, 4340413), (7, 1860177), (11, 1183749), (21, 620059), (33, 394583), (77, 169107), (231, 56369)]