399392877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{21929}}^1$

素因数の和:22412

約数の個数: 16

約数和(自身を含む): 574741440

約数和(自身を除く): 175348563

約数列:

[1, 3, 13, 39, 467, 1401, 6071, 18213, 21929, 65787, 285077, 855231, 10240843, 30722529, 133130959, 399392877]

約数ペア:

[(1, 399392877), (3, 133130959), (13, 30722529), (39, 10240843), (467, 855231), (1401, 285077), (6071, 65787), (18213, 21929)]