256220847

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{63689}}^1$

素因数の和:63847

約数の個数: 16

約数和(自身を含む): 382140000

約数和(自身を除く): 125919153

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 63689, 191067, 573201, 1719603, 9489661, 28468983, 85406949, 256220847]

約数ペア:

[(1, 256220847), (3, 85406949), (9, 28468983), (27, 9489661), (149, 1719603), (447, 573201), (1341, 191067), (4023, 63689)]