15327221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3917}}^1$

素因数の和:3980

約数の個数: 16

約数和(自身を含む): 19307904

約数和(自身を除く): 3980683

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 3917, 27419, 50921, 168431, 356447, 1179017, 2189603, 15327221]

約数ペア:

[(1, 15327221), (7, 2189603), (13, 1179017), (43, 356447), (91, 168431), (301, 50921), (559, 27419), (3913, 3917)]