864017

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 16

約数和(自身を含む): 1104000

約数和(自身を除く): 239983

約数列:

[1, 7, 11, 49, 77, 229, 343, 539, 1603, 2519, 3773, 11221, 17633, 78547, 123431, 864017]

約数ペア:

[(1, 864017), (7, 123431), (11, 78547), (49, 17633), (77, 11221), (229, 3773), (343, 2519), (539, 1603)]