256482429

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{297889}}^1$

素因数の和:297940

約数の個数: 16

約数和(自身を含む): 400364160

約数和(自身を除く): 143881731

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 297889, 893667, 2085223, 6255669, 12213449, 36640347, 85494143, 256482429]

約数ペア:

[(1, 256482429), (3, 85494143), (7, 36640347), (21, 12213449), (41, 6255669), (123, 2085223), (287, 893667), (861, 297889)]