971271

素因数分解:

$3^5\times 7^1\times {\mathrm{571}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 1665664

約数和(自身を除く): 694393

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 571, 1701, 1713, 3997, 5139, 11991, 15417, 35973, 46251, 107919, 138753, 323757, 971271]

約数ペア:

[(1, 971271), (3, 323757), (7, 138753), (9, 107919), (21, 46251), (27, 35973), (63, 15417), (81, 11991), (189, 5139), (243, 3997), (567, 1713), (571, 1701)]