256202217

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{201893}}^1$

素因数の和:201949

約数の個数: 16

約数和(自身を含む): 387636480

約数和(自身を除く): 131434263

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 201893, 605679, 1817037, 5451111, 9488971, 28466913, 85400739, 256202217]

約数ペア:

[(1, 256202217), (3, 85400739), (9, 28466913), (27, 9488971), (47, 5451111), (141, 1817037), (423, 605679), (1269, 201893)]