16878381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{947}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 24314304

約数和(自身を除く): 7435923

約数列:

[1, 3, 13, 39, 457, 947, 1371, 2841, 5941, 12311, 17823, 36933, 432779, 1298337, 5626127, 16878381]

約数ペア:

[(1, 16878381), (3, 5626127), (13, 1298337), (39, 432779), (457, 36933), (947, 17823), (1371, 12311), (2841, 5941)]