57212487

素因数分解:

$3^4\times {\mathrm{571}}^1\times {\mathrm{1237}}^1$

素因数の和:1820

約数の個数: 20

約数和(自身を含む): 85684456

約数和(自身を除く): 28471969

約数列:

[1, 3, 9, 27, 81, 571, 1237, 1713, 3711, 5139, 11133, 15417, 33399, 46251, 100197, 706327, 2118981, 6356943, 19070829, 57212487]

約数ペア:

[(1, 57212487), (3, 19070829), (9, 6356943), (27, 2118981), (81, 706327), (571, 100197), (1237, 46251), (1713, 33399), (3711, 15417), (5139, 11133)]