71001987

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 112611840

約数和(自身を除く): 41609853

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 427, 903, 1281, 1289, 2623, 3867, 7869, 9023, 18361, 27069, 55083, 55427, 78629, 166281, 235887, 387989, 550403, 1163967, 1651209, 3381047, 10143141, 23667329, 71001987]

約数ペア:

[(1, 71001987), (3, 23667329), (7, 10143141), (21, 3381047), (43, 1651209), (61, 1163967), (129, 550403), (183, 387989), (301, 235887), (427, 166281), (903, 78629), (1281, 55427), (1289, 55083), (2623, 27069), (3867, 18361), (7869, 9023)]