179947901

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 219168768

約数和(自身を除く): 39220867

約数列:

[1, 7, 31, 83, 97, 103, 217, 581, 679, 721, 2573, 3007, 3193, 8051, 8549, 9991, 18011, 21049, 22351, 56357, 59843, 69937, 249581, 265019, 309721, 829253, 1747067, 1855133, 2168047, 5804771, 25706843, 179947901]

約数ペア:

[(1, 179947901), (7, 25706843), (31, 5804771), (83, 2168047), (97, 1855133), (103, 1747067), (217, 829253), (581, 309721), (679, 265019), (721, 249581), (2573, 69937), (3007, 59843), (3193, 56357), (8051, 22351), (8549, 21049), (9991, 18011)]