261617367

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{65519}}^1$

素因数の和:65555

約数の個数: 16

約数和(自身を含む): 383685120

約数和(自身を除く): 122067753

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 65519, 196557, 720709, 2162127, 7927799, 23783397, 87205789, 261617367]

約数ペア:

[(1, 261617367), (3, 87205789), (11, 23783397), (33, 7927799), (121, 2162127), (363, 720709), (1331, 196557), (3993, 65519)]