13218513

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{57223}}^1$

素因数の和:57244

約数の個数: 16

約数和(自身を含む): 21974016

約数和(自身を除く): 8755503

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 57223, 171669, 400561, 629453, 1201683, 1888359, 4406171, 13218513]

約数ペア:

[(1, 13218513), (3, 4406171), (7, 1888359), (11, 1201683), (21, 629453), (33, 400561), (77, 171669), (231, 57223)]