193656987

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5525

約数の個数: 40

約数和(自身を含む): 317813760

約数和(自身を除く): 124156773

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 621, 1311, 1539, 1863, 3933, 5471, 11799, 16413, 35397, 49239, 103949, 125833, 147717, 311847, 377499, 443151, 935541, 1132497, 2390827, 2806623, 3397491, 7172481, 8419869, 10192473, 21517443, 64552329, 193656987]

約数ペア:

[(1, 193656987), (3, 64552329), (9, 21517443), (19, 10192473), (23, 8419869), (27, 7172481), (57, 3397491), (69, 2806623), (81, 2390827), (171, 1132497), (207, 935541), (437, 443151), (513, 377499), (621, 311847), (1311, 147717), (1539, 125833), (1863, 103949), (3933, 49239), (5471, 35397), (11799, 16413)]