261569607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{17981}}^1$

素因数の和:18370

約数の個数: 16

約数和(自身を含む): 376615008

約数和(自身を除く): 115045401

約数列:

[1, 3, 13, 39, 373, 1119, 4849, 14547, 17981, 53943, 233753, 701259, 6706913, 20120739, 87189869, 261569607]

約数ペア:

[(1, 261569607), (3, 87189869), (13, 20120739), (39, 6706913), (373, 701259), (1119, 233753), (4849, 53943), (14547, 17981)]