27887321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 36552960

約数和(自身を除く): 8665639

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1519, 1669, 2387, 11683, 16709, 18359, 51739, 81781, 128513, 362173, 569129, 899591, 2535211, 3983903, 27887321]

約数ペア:

[(1, 27887321), (7, 3983903), (11, 2535211), (31, 899591), (49, 569129), (77, 362173), (217, 128513), (341, 81781), (539, 51739), (1519, 18359), (1669, 16709), (2387, 11683)]