13257993

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3527}}^1$

素因数の和:3716

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 7063287

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3527, 3759, 10581, 24689, 74067, 631333, 1893999, 4419331, 13257993]

約数ペア:

[(1, 13257993), (3, 4419331), (7, 1893999), (21, 631333), (179, 74067), (537, 24689), (1253, 10581), (3527, 3759)]