217636431

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{11821}}^1$

素因数の和:11879

約数の個数: 24

約数和(自身を含む): 324301104

約数和(自身を除く): 106664673

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 6137, 11821, 18411, 35463, 200957, 224599, 602871, 673797, 3818183, 4267381, 11454549, 12802143, 72545477, 217636431]

約数ペア:

[(1, 217636431), (3, 72545477), (17, 12802143), (19, 11454549), (51, 4267381), (57, 3818183), (323, 673797), (361, 602871), (969, 224599), (1083, 200957), (6137, 35463), (11821, 18411)]