28117689

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 38711040

約数和(自身を除く): 10593351

約数列:

[1, 3, 59, 67, 177, 201, 2371, 3953, 7113, 11859, 139889, 158857, 419667, 476571, 9372563, 28117689]

約数ペア:

[(1, 28117689), (3, 9372563), (59, 476571), (67, 419667), (177, 158857), (201, 139889), (2371, 11859), (3953, 7113)]