215156691

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 314299440

約数和(自身を除く): 99142749

約数列:

[1, 3, 9, 181, 269, 491, 543, 807, 1473, 1629, 2421, 4419, 48689, 88871, 132079, 146067, 266613, 396237, 438201, 799839, 1188711, 23906299, 71718897, 215156691]

約数ペア:

[(1, 215156691), (3, 71718897), (9, 23906299), (181, 1188711), (269, 799839), (491, 438201), (543, 396237), (807, 266613), (1473, 146067), (1629, 132079), (2421, 88871), (4419, 48689)]