12972267

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18719}}^1$

素因数の和:18743

約数の個数: 24

約数和(自身を含む): 23362560

約数和(自身を除く): 10390293

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 18719, 56157, 131033, 168471, 205909, 393099, 617727, 1179297, 1441363, 1853181, 4324089, 12972267]

約数ペア:

[(1, 12972267), (3, 4324089), (7, 1853181), (9, 1441363), (11, 1179297), (21, 617727), (33, 393099), (63, 205909), (77, 168471), (99, 131033), (231, 56157), (693, 18719)]