168779721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{22531}}^1$

素因数の和:22772

約数の個数: 16

約数和(自身を含む): 246590208

約数和(自身を除く): 77810487

約数列:

[1, 3, 11, 33, 227, 681, 2497, 7491, 22531, 67593, 247841, 743523, 5114537, 15343611, 56259907, 168779721]

約数ペア:

[(1, 168779721), (3, 56259907), (11, 15343611), (33, 5114537), (227, 743523), (681, 247841), (2497, 67593), (7491, 22531)]