311930127

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2872

約数の個数: 36

約数和(自身を含む): 489935160

約数和(自身を除く): 178005033

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 289, 387, 731, 867, 2193, 2601, 2789, 6579, 8367, 12427, 25101, 37281, 47413, 111843, 119927, 142239, 359781, 426717, 806021, 1079343, 2038759, 2418063, 6116277, 7254189, 18348831, 34658903, 103976709, 311930127]

約数ペア:

[(1, 311930127), (3, 103976709), (9, 34658903), (17, 18348831), (43, 7254189), (51, 6116277), (129, 2418063), (153, 2038759), (289, 1079343), (387, 806021), (731, 426717), (867, 359781), (2193, 142239), (2601, 119927), (2789, 111843), (6579, 47413), (8367, 37281), (12427, 25101)]