57131487

素因数分解:

$3^5\times 7^1\times {\mathrm{33587}}^1$

素因数の和:33609

約数の個数: 24

約数和(自身を含む): 97808256

約数和(自身を除く): 40676769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 33587, 100761, 235109, 302283, 705327, 906849, 2115981, 2720547, 6347943, 8161641, 19043829, 57131487]

約数ペア:

[(1, 57131487), (3, 19043829), (7, 8161641), (9, 6347943), (21, 2720547), (27, 2115981), (63, 906849), (81, 705327), (189, 302283), (243, 235109), (567, 100761), (1701, 33587)]