16997187

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 6158013

約数列:

[1, 3, 71, 199, 213, 401, 597, 1203, 14129, 28471, 42387, 79799, 85413, 239397, 5665729, 16997187]

約数ペア:

[(1, 16997187), (3, 5665729), (71, 239397), (199, 85413), (213, 79799), (401, 42387), (597, 28471), (1203, 14129)]