210420287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1433}}^1\times {\mathrm{1907}}^1$

素因数の和:3358

約数の個数: 16

約数和(自身を含む): 262662912

約数和(自身を除く): 52242625

約数列:

[1, 7, 11, 77, 1433, 1907, 10031, 13349, 15763, 20977, 110341, 146839, 2732731, 19129117, 30060041, 210420287]

約数ペア:

[(1, 210420287), (7, 30060041), (11, 19129117), (77, 2732731), (1433, 146839), (1907, 110341), (10031, 20977), (13349, 15763)]