213898321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{102197}}^1$

素因数の和:102240

約数の個数: 16

約数和(自身を含む): 274708224

約数和(自身を除く): 60809903

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 102197, 715379, 1328561, 2350531, 9299927, 16453717, 30556903, 213898321]

約数ペア:

[(1, 213898321), (7, 30556903), (13, 16453717), (23, 9299927), (91, 2350531), (161, 1328561), (299, 715379), (2093, 102197)]