55581213

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20747}}^1$

素因数の和:20816

約数の個数: 16

約数和(自身を含む): 79672320

約数和(自身を除く): 24091107

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 20747, 62241, 394193, 975109, 1182579, 2925327, 18527071, 55581213]

約数ペア:

[(1, 55581213), (3, 18527071), (19, 2925327), (47, 1182579), (57, 975109), (141, 394193), (893, 62241), (2679, 20747)]