1289346947

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{121259}}^1$

素因数の和:121311

約数の個数: 16

約数和(自身を含む): 1552128000

約数和(自身を除く): 262781053

約数列:

[1, 7, 31, 49, 217, 343, 1519, 10633, 121259, 848813, 3759029, 5941691, 26313203, 41591837, 184192421, 1289346947]

約数ペア:

[(1, 1289346947), (7, 184192421), (31, 41591837), (49, 26313203), (217, 5941691), (343, 3759029), (1519, 848813), (10633, 121259)]