87749397

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 131010048

約数和(自身を除く): 43260651

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 639, 2591, 3763, 7773, 11289, 23319, 33867, 137323, 183961, 411969, 551883, 1235907, 1655649, 9749933, 29249799, 87749397]

約数ペア:

[(1, 87749397), (3, 29249799), (9, 9749933), (53, 1655649), (71, 1235907), (159, 551883), (213, 411969), (477, 183961), (639, 137323), (2591, 33867), (3763, 23319), (7773, 11289)]