40788423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20507}}^1$

素因数の和:20543

約数の個数: 24

約数和(自身を含む): 67184208

約数和(自身を除く): 26395785

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20507, 61521, 184563, 266591, 348619, 799773, 1045857, 2399319, 3137571, 4532047, 13596141, 40788423]

約数ペア:

[(1, 40788423), (3, 13596141), (9, 4532047), (13, 3137571), (17, 2399319), (39, 1045857), (51, 799773), (117, 348619), (153, 266591), (221, 184563), (663, 61521), (1989, 20507)]