208547451

素因数分解:

$3^2\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{2729}}^1$

素因数の和:3955

約数の個数: 24

約数和(自身を含む): 344678880

約数和(自身を除く): 136131429

約数列:

[1, 3, 7, 9, 21, 63, 1213, 2729, 3639, 8187, 8491, 10917, 19103, 24561, 25473, 57309, 76419, 171927, 3310277, 9930831, 23171939, 29792493, 69515817, 208547451]

約数ペア:

[(1, 208547451), (3, 69515817), (7, 29792493), (9, 23171939), (21, 9930831), (63, 3310277), (1213, 171927), (2729, 76419), (3639, 57309), (8187, 25473), (8491, 24561), (10917, 19103)]