11987199

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 19936800

約数和(自身を除く): 7949601

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1277, 1341, 3129, 3831, 8939, 9387, 11493, 26817, 80451, 190273, 570819, 1331911, 1712457, 3995733, 11987199]

約数ペア:

[(1, 11987199), (3, 3995733), (7, 1712457), (9, 1331911), (21, 570819), (63, 190273), (149, 80451), (447, 26817), (1043, 11493), (1277, 9387), (1341, 8939), (3129, 3831)]