2013721821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{2459}}^1\times {\mathrm{4789}}^1$

素因数の和:7273

約数の個数: 24

約数和(自身を含む): 3063684000

約数和(自身を除く): 1049962179

約数列:

[1, 3, 9, 19, 57, 171, 2459, 4789, 7377, 14367, 22131, 43101, 46721, 90991, 140163, 272973, 420489, 818919, 11776151, 35328453, 105985359, 223746869, 671240607, 2013721821]

約数ペア:

[(1, 2013721821), (3, 671240607), (9, 223746869), (19, 105985359), (57, 35328453), (171, 11776151), (2459, 818919), (4789, 420489), (7377, 272973), (14367, 140163), (22131, 90991), (43101, 46721)]