20138561361

素因数分解:

$3^3\times {\mathrm{1201}}^1\times {\mathrm{621043}}^1$

素因数の和:622253

約数の個数: 16

約数和(自身を含む): 29859795520

約数和(自身を除く): 9721234159

約数列:

[1, 3, 9, 27, 1201, 3603, 10809, 32427, 621043, 1863129, 5589387, 16768161, 745872643, 2237617929, 6712853787, 20138561361]

約数ペア:

[(1, 20138561361), (3, 6712853787), (9, 2237617929), (27, 745872643), (1201, 16768161), (3603, 5589387), (10809, 1863129), (32427, 621043)]