143744391

素因数分解:

$3^2\times 7^2\times {\mathrm{325951}}^1$

素因数の和:325971

約数の個数: 18

約数和(自身を含む): 241530432

約数和(自身を除く): 97786041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 325951, 977853, 2281657, 2933559, 6844971, 15971599, 20534913, 47914797, 143744391]

約数ペア:

[(1, 143744391), (3, 47914797), (7, 20534913), (9, 15971599), (21, 6844971), (49, 2933559), (63, 2281657), (147, 977853), (441, 325951)]