53867709

素因数分解:

$3^2\times 7^2\times {\mathrm{122149}}^1$

素因数の和:122169

約数の個数: 18

約数和(自身を含む): 90513150

約数和(自身を除く): 36645441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 122149, 366447, 855043, 1099341, 2565129, 5985301, 7695387, 17955903, 53867709]

約数ペア:

[(1, 53867709), (3, 17955903), (7, 7695387), (9, 5985301), (21, 2565129), (49, 1099341), (63, 855043), (147, 366447), (441, 122149)]