128876259

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{20743}}^1$

素因数の和:20874

約数の個数: 16

約数和(自身を含む): 182547200

約数和(自身を除く): 53670941

約数列:

[1, 3, 19, 57, 109, 327, 2071, 6213, 20743, 62229, 394117, 1182351, 2260987, 6782961, 42958753, 128876259]

約数ペア:

[(1, 128876259), (3, 42958753), (19, 6782961), (57, 2260987), (109, 1182351), (327, 394117), (2071, 62229), (6213, 20743)]