2017201977

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{681257}}^1$

素因数の和:681317

約数の個数: 24

約数和(自身を含む): 3400839936

約数和(自身を除く): 1383637959

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 681257, 2043771, 4768799, 6131313, 14306397, 32019079, 42919191, 96057237, 224133553, 288171711, 672400659, 2017201977]

約数ペア:

[(1, 2017201977), (3, 672400659), (7, 288171711), (9, 224133553), (21, 96057237), (47, 42919191), (63, 32019079), (141, 14306397), (329, 6131313), (423, 4768799), (987, 2043771), (2961, 681257)]