2005206819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{456871}}^1$

素因数の和:456911

約数の個数: 32

約数和(自身を含む): 3508776960

約数和(自身を除く): 1503570141

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 456871, 1370613, 3198097, 5025581, 8680549, 9594291, 15076743, 26041647, 35179067, 60763843, 95486039, 105537201, 182291529, 286458117, 668402273, 2005206819]

約数ペア:

[(1, 2005206819), (3, 668402273), (7, 286458117), (11, 182291529), (19, 105537201), (21, 95486039), (33, 60763843), (57, 35179067), (77, 26041647), (133, 15076743), (209, 9594291), (231, 8680549), (399, 5025581), (627, 3198097), (1463, 1370613), (4389, 456871)]