13885257

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 20459520

約数和(自身を除く): 6574263

約数列:

[1, 3, 19, 47, 57, 71, 73, 141, 213, 219, 893, 1349, 1387, 2679, 3337, 3431, 4047, 4161, 5183, 10011, 10293, 15549, 63403, 65189, 98477, 190209, 195567, 243601, 295431, 730803, 4628419, 13885257]

約数ペア:

[(1, 13885257), (3, 4628419), (19, 730803), (47, 295431), (57, 243601), (71, 195567), (73, 190209), (141, 98477), (213, 65189), (219, 63403), (893, 15549), (1349, 10293), (1387, 10011), (2679, 5183), (3337, 4161), (3431, 4047)]