128873157

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 202487040

約数和(自身を除く): 73613883

約数列:

[1, 3, 7, 21, 53, 89, 159, 267, 371, 623, 1113, 1301, 1869, 3903, 4717, 9107, 14151, 27321, 33019, 68953, 99057, 115789, 206859, 347367, 482671, 810523, 1448013, 2431569, 6136817, 18410451, 42957719, 128873157]

約数ペア:

[(1, 128873157), (3, 42957719), (7, 18410451), (21, 6136817), (53, 2431569), (89, 1448013), (159, 810523), (267, 482671), (371, 347367), (623, 206859), (1113, 115789), (1301, 99057), (1869, 68953), (3903, 33019), (4717, 27321), (9107, 14151)]