26885781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 44518656

約数和(自身を除く): 17632875

約数列:

[1, 3, 9, 13, 23, 39, 69, 97, 103, 117, 207, 291, 299, 309, 873, 897, 927, 1261, 1339, 2231, 2369, 2691, 3783, 4017, 6693, 7107, 9991, 11349, 12051, 20079, 21321, 29003, 29973, 30797, 87009, 89919, 92391, 129883, 229793, 261027, 277173, 389649, 689379, 1168947, 2068137, 2987309, 8961927, 26885781]

約数ペア:

[(1, 26885781), (3, 8961927), (9, 2987309), (13, 2068137), (23, 1168947), (39, 689379), (69, 389649), (97, 277173), (103, 261027), (117, 229793), (207, 129883), (291, 92391), (299, 89919), (309, 87009), (873, 30797), (897, 29973), (927, 29003), (1261, 21321), (1339, 20079), (2231, 12051), (2369, 11349), (2691, 9991), (3783, 7107), (4017, 6693)]