2013156747

素因数分解:

$3^4\times 7^1\times {\mathrm{3550541}}^1$

素因数の和:3550560

約数の個数: 20

約数和(自身を含む): 3436924656

約数和(自身を除く): 1423767909

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3550541, 10651623, 24853787, 31954869, 74561361, 95864607, 223684083, 287593821, 671052249, 2013156747]

約数ペア:

[(1, 2013156747), (3, 671052249), (7, 287593821), (9, 223684083), (21, 95864607), (27, 74561361), (63, 31954869), (81, 24853787), (189, 10651623), (567, 3550541)]