17987679

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 27387360

約数和(自身を除く): 9399681

約数列:

[1, 3, 9, 23, 69, 113, 207, 339, 769, 1017, 2307, 2599, 6921, 7797, 17687, 23391, 53061, 86897, 159183, 260691, 782073, 1998631, 5995893, 17987679]

約数ペア:

[(1, 17987679), (3, 5995893), (9, 1998631), (23, 782073), (69, 260691), (113, 159183), (207, 86897), (339, 53061), (769, 23391), (1017, 17687), (2307, 7797), (2599, 6921)]