639732885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{13997}}^1$

素因数の和:14293

約数の個数: 32

約数和(自身を含む): 1120735872

約数和(自身を除く): 481002987

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 831, 1385, 3047, 4155, 9141, 13997, 15235, 41991, 45705, 69985, 153967, 209955, 461901, 769835, 2309505, 3877169, 11631507, 19385845, 42648859, 58157535, 127946577, 213244295, 639732885]

約数ペア:

[(1, 639732885), (3, 213244295), (5, 127946577), (11, 58157535), (15, 42648859), (33, 19385845), (55, 11631507), (165, 3877169), (277, 2309505), (831, 769835), (1385, 461901), (3047, 209955), (4155, 153967), (9141, 69985), (13997, 45705), (15235, 41991)]