42805971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5153}}^1$

素因数の和:5243

約数の個数: 24

約数和(自身を含む): 67538016

約数和(自身を除く): 24732045

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 5153, 8307, 15459, 46377, 66989, 200967, 365863, 602901, 1097589, 3292767, 4756219, 14268657, 42805971]

約数ペア:

[(1, 42805971), (3, 14268657), (9, 4756219), (13, 3292767), (39, 1097589), (71, 602901), (117, 365863), (213, 200967), (639, 66989), (923, 46377), (2769, 15459), (5153, 8307)]