80900217

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 118857024

約数和(自身を除く): 37956807

約数列:

[1, 3, 9, 103, 197, 309, 443, 591, 927, 1329, 1773, 3987, 20291, 45629, 60873, 87271, 136887, 182619, 261813, 410661, 785439, 8988913, 26966739, 80900217]

約数ペア:

[(1, 80900217), (3, 26966739), (9, 8988913), (103, 785439), (197, 410661), (309, 261813), (443, 182619), (591, 136887), (927, 87271), (1329, 60873), (1773, 45629), (3987, 20291)]