517979

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:87

約数の個数: 18

約数和(自身を含む): 679212

約数和(自身を除く): 161233

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 961, 1519, 2387, 6727, 10571, 16709, 47089, 73997, 517979]

約数ペア:

[(1, 517979), (7, 73997), (11, 47089), (31, 16709), (49, 10571), (77, 6727), (217, 2387), (341, 1519), (539, 961)]