215128441

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 244379520

約数和(自身を除く): 29251079

約数列:

[1, 11, 43, 121, 173, 239, 473, 1903, 2629, 5203, 7439, 10277, 20933, 28919, 41347, 81829, 113047, 454817, 900119, 1243517, 1777921, 5002987, 19557131, 215128441]

約数ペア:

[(1, 215128441), (11, 19557131), (43, 5002987), (121, 1777921), (173, 1243517), (239, 900119), (473, 454817), (1903, 113047), (2629, 81829), (5203, 41347), (7439, 28919), (10277, 20933)]