247103493

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47639}}^1$

素因数の和:47681

約数の個数: 32

約数和(自身を含む): 426854400

約数和(自身を除く): 179750907

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 47639, 142917, 333473, 619307, 905141, 1000419, 1857921, 2715423, 4335149, 6335987, 11766833, 13005447, 19007961, 35300499, 82367831, 247103493]

約数ペア:

[(1, 247103493), (3, 82367831), (7, 35300499), (13, 19007961), (19, 13005447), (21, 11766833), (39, 6335987), (57, 4335149), (91, 2715423), (133, 1857921), (247, 1000419), (273, 905141), (399, 619307), (741, 333473), (1729, 142917), (5187, 47639)]