221489411

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 264329520

約数和(自身を除く): 42840109

約数列:

[1, 11, 13, 121, 139, 143, 1013, 1529, 1573, 1807, 11143, 13169, 16819, 19877, 122573, 140807, 144859, 218647, 1548877, 1593449, 1830491, 17037647, 20135401, 221489411]

約数ペア:

[(1, 221489411), (11, 20135401), (13, 17037647), (121, 1830491), (139, 1593449), (143, 1548877), (1013, 218647), (1529, 144859), (1573, 140807), (1807, 122573), (11143, 19877), (13169, 16819)]