2637663

素因数分解:

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

素因数の和:203

約数の個数: 32

約数和(自身を含む): 4325376

約数和(自身を除く): 1687713

約数列:

[1, 3, 7, 21, 23, 43, 69, 127, 129, 161, 301, 381, 483, 889, 903, 989, 2667, 2921, 2967, 5461, 6923, 8763, 16383, 20447, 20769, 38227, 61341, 114681, 125603, 376809, 879221, 2637663]

約数ペア:

[(1, 2637663), (3, 879221), (7, 376809), (21, 125603), (23, 114681), (43, 61341), (69, 38227), (127, 20769), (129, 20447), (161, 16383), (301, 8763), (381, 6923), (483, 5461), (889, 2967), (903, 2921), (989, 2667)]