18107145

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2129}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 37215360

約数和(自身を除く): 19108215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2129, 2835, 6387, 8505, 10645, 14903, 19161, 31935, 44709, 57483, 74515, 95805, 134127, 172449, 223545, 287415, 402381, 517347, 670635, 862245, 1207143, 2011905, 2586735, 3621429, 6035715, 18107145]

約数ペア:

[(1, 18107145), (3, 6035715), (5, 3621429), (7, 2586735), (9, 2011905), (15, 1207143), (21, 862245), (27, 670635), (35, 517347), (45, 402381), (63, 287415), (81, 223545), (105, 172449), (135, 134127), (189, 95805), (243, 74515), (315, 57483), (405, 44709), (567, 31935), (945, 19161), (1215, 14903), (1701, 10645), (2129, 8505), (2835, 6387)]