12942951

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 20840448

約数和(自身を除く): 7897497

約数列:

[1, 3, 7, 21, 23, 69, 127, 161, 211, 381, 483, 633, 889, 1477, 2667, 2921, 4431, 4853, 8763, 14559, 20447, 26797, 33971, 61341, 80391, 101913, 187579, 562737, 616331, 1848993, 4314317, 12942951]

約数ペア:

[(1, 12942951), (3, 4314317), (7, 1848993), (21, 616331), (23, 562737), (69, 187579), (127, 101913), (161, 80391), (211, 61341), (381, 33971), (483, 26797), (633, 20447), (889, 14559), (1477, 8763), (2667, 4853), (2921, 4431)]