2017207899

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{681259}}^1$

素因数の和:681319

約数の個数: 24

約数和(自身を含む): 3400849920

約数和(自身を除く): 1383642021

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 681259, 2043777, 4768813, 6131331, 14306439, 32019173, 42919317, 96057519, 224134211, 288172557, 672402633, 2017207899]

約数ペア:

[(1, 2017207899), (3, 672402633), (7, 288172557), (9, 224134211), (21, 96057519), (47, 42919317), (63, 32019173), (141, 14306439), (329, 6131331), (423, 4768813), (987, 2043777), (2961, 681259)]