17980251

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{953}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 25338240

約数和(自身を除く): 7357989

約数列:

[1, 3, 19, 57, 331, 953, 993, 2859, 6289, 18107, 18867, 54321, 315443, 946329, 5993417, 17980251]

約数ペア:

[(1, 17980251), (3, 5993417), (19, 946329), (57, 315443), (331, 54321), (953, 18867), (993, 18107), (2859, 6289)]