3988689

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 5852160

約数和(自身を除く): 1863471

約数列:

[1, 3, 19, 29, 57, 87, 127, 361, 381, 551, 1083, 1653, 2413, 3683, 7239, 10469, 11049, 31407, 45847, 69977, 137541, 209931, 1329563, 3988689]

約数ペア:

[(1, 3988689), (3, 1329563), (19, 209931), (29, 137541), (57, 69977), (87, 45847), (127, 31407), (361, 11049), (381, 10469), (551, 7239), (1083, 3683), (1653, 2413)]