128839131

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{8713}}^1$

素因数の和:8803

約数の個数: 24

約数和(自身を含む): 195751296

約数和(自身を除く): 66912165

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1643, 4929, 8713, 14787, 26139, 78417, 270103, 461789, 810309, 1385367, 2430927, 4156101, 14315459, 42946377, 128839131]

約数ペア:

[(1, 128839131), (3, 42946377), (9, 14315459), (31, 4156101), (53, 2430927), (93, 1385367), (159, 810309), (279, 461789), (477, 270103), (1643, 78417), (4929, 26139), (8713, 14787)]