201616581

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{25447}}^1$

素因数の和:25608

約数の個数: 16

約数和(自身を含む): 285017600

約数和(自身を除く): 83401019

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 25447, 76341, 483493, 1450479, 3537133, 10611399, 67205527, 201616581]

約数ペア:

[(1, 201616581), (3, 67205527), (19, 10611399), (57, 3537133), (139, 1450479), (417, 483493), (2641, 76341), (7923, 25447)]