7912989

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 14057472

約数和(自身を除く): 6144483

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 127, 129, 161, 207, 301, 381, 387, 483, 889, 903, 989, 1143, 1449, 2667, 2709, 2921, 2967, 5461, 6923, 8001, 8763, 8901, 16383, 20447, 20769, 26289, 38227, 49149, 61341, 62307, 114681, 125603, 184023, 344043, 376809, 879221, 1130427, 2637663, 7912989]

約数ペア:

[(1, 7912989), (3, 2637663), (7, 1130427), (9, 879221), (21, 376809), (23, 344043), (43, 184023), (63, 125603), (69, 114681), (127, 62307), (129, 61341), (161, 49149), (207, 38227), (301, 26289), (381, 20769), (387, 20447), (483, 16383), (889, 8901), (903, 8763), (989, 8001), (1143, 6923), (1449, 5461), (2667, 2967), (2709, 2921)]