287538417

素因数分解:

$3^4\times {\mathrm{967}}^1\times {\mathrm{3671}}^1$

素因数の和:4650

約数の個数: 20

約数和(自身を含む): 430094016

約数和(自身を除く): 142555599

約数列:

[1, 3, 9, 27, 81, 967, 2901, 3671, 8703, 11013, 26109, 33039, 78327, 99117, 297351, 3549857, 10649571, 31948713, 95846139, 287538417]

約数ペア:

[(1, 287538417), (3, 95846139), (9, 31948713), (27, 10649571), (81, 3549857), (967, 297351), (2901, 99117), (3671, 78327), (8703, 33039), (11013, 26109)]