18677007

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16087}}^1$

素因数の和:16139

約数の個数: 16

約数和(自身を含む): 28314880

約数和(自身を除く): 9637873

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16087, 48261, 144783, 434349, 691741, 2075223, 6225669, 18677007]

約数ペア:

[(1, 18677007), (3, 6225669), (9, 2075223), (27, 691741), (43, 434349), (129, 144783), (387, 48261), (1161, 16087)]