25887807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 17243073

約数列:

[1, 3, 9, 11, 29, 33, 71, 87, 99, 127, 213, 261, 319, 381, 639, 781, 957, 1143, 1397, 2059, 2343, 2871, 3683, 4191, 6177, 7029, 9017, 11049, 12573, 18531, 22649, 27051, 33147, 40513, 67947, 81153, 99187, 121539, 203841, 261493, 297561, 364617, 784479, 892683, 2353437, 2876423, 8629269, 25887807]

約数ペア:

[(1, 25887807), (3, 8629269), (9, 2876423), (11, 2353437), (29, 892683), (33, 784479), (71, 364617), (87, 297561), (99, 261493), (127, 203841), (213, 121539), (261, 99187), (319, 81153), (381, 67947), (639, 40513), (781, 33147), (957, 27051), (1143, 22649), (1397, 18531), (2059, 12573), (2343, 11049), (2871, 9017), (3683, 7029), (4191, 6177)]