17981649

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 30816000

約数和(自身を除く): 12834351

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1069, 1869, 2403, 3207, 5607, 7483, 9621, 16821, 22449, 28863, 67347, 95141, 202041, 285423, 665987, 856269, 1997961, 2568807, 5993883, 17981649]

約数ペア:

[(1, 17981649), (3, 5993883), (7, 2568807), (9, 1997961), (21, 856269), (27, 665987), (63, 285423), (89, 202041), (189, 95141), (267, 67347), (623, 28863), (801, 22449), (1069, 16821), (1869, 9621), (2403, 7483), (3207, 5607)]