90401521

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 107980800

約数和(自身を除く): 17579279

約数列:

[1, 7, 49, 73, 127, 199, 511, 889, 1393, 3577, 6223, 9271, 9751, 14527, 25273, 64897, 101689, 176911, 454279, 711823, 1238377, 1844929, 12914503, 90401521]

約数ペア:

[(1, 90401521), (7, 12914503), (49, 1844929), (73, 1238377), (127, 711823), (199, 454279), (511, 176911), (889, 101689), (1393, 64897), (3577, 25273), (6223, 14527), (9271, 9751)]