12963447

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 21559200

約数和(自身を除く): 8595753

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 1381, 3129, 4143, 9387, 9667, 12429, 29001, 87003, 205769, 617307, 1440383, 1851921, 4321149, 12963447]

約数ペア:

[(1, 12963447), (3, 4321149), (7, 1851921), (9, 1440383), (21, 617307), (63, 205769), (149, 87003), (447, 29001), (1043, 12429), (1341, 9667), (1381, 9387), (3129, 4143)]