165807

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 20

約数和(自身を含む): 261360

約数和(自身を除く): 95553

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 207, 267, 621, 801, 1863, 2047, 2403, 6141, 7209, 18423, 55269, 165807]

約数ペア:

[(1, 165807), (3, 55269), (9, 18423), (23, 7209), (27, 6141), (69, 2403), (81, 2047), (89, 1863), (207, 801), (267, 621)]