207974361

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2729}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 335462400

約数和(自身を除く): 127488039

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 399, 573, 1337, 2729, 3629, 4011, 8187, 10887, 19103, 25403, 51851, 57309, 76209, 155553, 362957, 521239, 1088871, 1563717, 3648673, 9903541, 10946019, 29710623, 69324787, 207974361]

約数ペア:

[(1, 207974361), (3, 69324787), (7, 29710623), (19, 10946019), (21, 9903541), (57, 3648673), (133, 1563717), (191, 1088871), (399, 521239), (573, 362957), (1337, 155553), (2729, 76209), (3629, 57309), (4011, 51851), (8187, 25403), (10887, 19103)]