2005133781

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1\times {\mathrm{1997}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 3088108800

約数和(自身を除く): 1082975019

約数列:

[1, 3, 7, 21, 137, 349, 411, 959, 1047, 1997, 2443, 2877, 5991, 7329, 13979, 41937, 47813, 143439, 273589, 334691, 696953, 820767, 1004073, 1915123, 2090859, 4878671, 5745369, 14636013, 95482561, 286447683, 668377927, 2005133781]

約数ペア:

[(1, 2005133781), (3, 668377927), (7, 286447683), (21, 95482561), (137, 14636013), (349, 5745369), (411, 4878671), (959, 2090859), (1047, 1915123), (1997, 1004073), (2443, 820767), (2877, 696953), (5991, 334691), (7329, 273589), (13979, 143439), (41937, 47813)]