199915023

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2819}}^1$

素因数の和:3147

約数の個数: 32

約数和(自身を含む): 333527040

約数和(自身を除く): 133612017

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 307, 921, 2149, 2819, 3377, 6447, 8457, 10131, 19733, 23639, 31009, 59199, 70917, 93027, 217063, 651189, 865433, 2596299, 6058031, 9519763, 18174093, 28559289, 66638341, 199915023]

約数ペア:

[(1, 199915023), (3, 66638341), (7, 28559289), (11, 18174093), (21, 9519763), (33, 6058031), (77, 2596299), (231, 865433), (307, 651189), (921, 217063), (2149, 93027), (2819, 70917), (3377, 59199), (6447, 31009), (8457, 23639), (10131, 19733)]