13128471

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1619}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 20470320

約数和(自身を除く): 7341849

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 1619, 2703, 4857, 8109, 14571, 27523, 82569, 85807, 247707, 257421, 772263, 1458719, 4376157, 13128471]

約数ペア:

[(1, 13128471), (3, 4376157), (9, 1458719), (17, 772263), (51, 257421), (53, 247707), (153, 85807), (159, 82569), (477, 27523), (901, 14571), (1619, 8109), (2703, 4857)]