25178241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 39858048

約数和(自身を除く): 14679807

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 1213, 1221, 1887, 3639, 6919, 13343, 20621, 20757, 40029, 44881, 61863, 134643, 226831, 493691, 680493, 762977, 1481073, 2288931, 8392747, 25178241]

約数ペア:

[(1, 25178241), (3, 8392747), (11, 2288931), (17, 1481073), (33, 762977), (37, 680493), (51, 493691), (111, 226831), (187, 134643), (407, 61863), (561, 44881), (629, 40029), (1213, 20757), (1221, 20621), (1887, 13343), (3639, 6919)]