207789381

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{36131}}^1$

素因数の和:36214

約数の個数: 20

約数和(自身を含む): 314781984

約数和(自身を除く): 106992603

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 36131, 108393, 325179, 975537, 2565301, 2926611, 7695903, 23087709, 69263127, 207789381]

約数ペア:

[(1, 207789381), (3, 69263127), (9, 23087709), (27, 7695903), (71, 2926611), (81, 2565301), (213, 975537), (639, 325179), (1917, 108393), (5751, 36131)]