247827519

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{6011}}^1$

素因数の和:6532

約数の個数: 20

約数和(自身を含む): 371000520

約数和(自身を除く): 123173001

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 6011, 13743, 18033, 41229, 54099, 162297, 486891, 3059599, 9178797, 27536391, 82609173, 247827519]

約数ペア:

[(1, 247827519), (3, 82609173), (9, 27536391), (27, 9178797), (81, 3059599), (509, 486891), (1527, 162297), (4581, 54099), (6011, 41229), (13743, 18033)]