28070757

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 50476608

約数和(自身を除く): 22405851

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1283, 1287, 1683, 1989, 2431, 3849, 7293, 11547, 14113, 16679, 21811, 21879, 42339, 50037, 65433, 127017, 150111, 183469, 196299, 239921, 283543, 550407, 719763, 850629, 1651221, 2159289, 2551887, 3118973, 9356919, 28070757]

約数ペア:

[(1, 28070757), (3, 9356919), (9, 3118973), (11, 2551887), (13, 2159289), (17, 1651221), (33, 850629), (39, 719763), (51, 550407), (99, 283543), (117, 239921), (143, 196299), (153, 183469), (187, 150111), (221, 127017), (429, 65433), (561, 50037), (663, 42339), (1283, 21879), (1287, 21811), (1683, 16679), (1989, 14113), (2431, 11547), (3849, 7293)]