2011051821

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{929}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 2791071360

約数和(自身を除く): 780019539

約数列:

[1, 3, 43, 97, 129, 173, 291, 519, 929, 2787, 4171, 7439, 12513, 16781, 22317, 39947, 50343, 90113, 119841, 160717, 270339, 482151, 721583, 2164749, 3874859, 6910831, 11624577, 15589549, 20732493, 46768647, 670350607, 2011051821]

約数ペア:

[(1, 2011051821), (3, 670350607), (43, 46768647), (97, 20732493), (129, 15589549), (173, 11624577), (291, 6910831), (519, 3874859), (929, 2164749), (2787, 721583), (4171, 482151), (7439, 270339), (12513, 160717), (16781, 119841), (22317, 90113), (39947, 50343)]