1681099

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 2031616

約数和(自身を除く): 350517

約数列:

[1, 7, 31, 61, 127, 217, 427, 889, 1891, 3937, 7747, 13237, 27559, 54229, 240157, 1681099]

約数ペア:

[(1, 1681099), (7, 240157), (31, 54229), (61, 27559), (127, 13237), (217, 7747), (427, 3937), (889, 1891)]