13255221

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1873}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 20269184

約数和(自身を除く): 7013963

約数列:

[1, 3, 7, 21, 337, 1011, 1873, 2359, 5619, 7077, 13111, 39333, 631201, 1893603, 4418407, 13255221]

約数ペア:

[(1, 13255221), (3, 4418407), (7, 1893603), (21, 631201), (337, 39333), (1011, 13111), (1873, 7077), (2359, 5619)]