126029421

素因数分解:

$3^2\times 7^2\times {\mathrm{285781}}^1$

素因数の和:285801

約数の個数: 18

約数和(自身を含む): 211764462

約数和(自身を除く): 85735041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 285781, 857343, 2000467, 2572029, 6001401, 14003269, 18004203, 42009807, 126029421]

約数ペア:

[(1, 126029421), (3, 42009807), (7, 18004203), (9, 14003269), (21, 6001401), (49, 2572029), (63, 2000467), (147, 857343), (441, 285781)]