1215165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 2267136

約数和(自身を除く): 1051971

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 163, 213, 355, 489, 497, 815, 1065, 1141, 1491, 2445, 2485, 3423, 5705, 7455, 11573, 17115, 34719, 57865, 81011, 173595, 243033, 405055, 1215165]

約数ペア:

[(1, 1215165), (3, 405055), (5, 243033), (7, 173595), (15, 81011), (21, 57865), (35, 34719), (71, 17115), (105, 11573), (163, 7455), (213, 5705), (355, 3423), (489, 2485), (497, 2445), (815, 1491), (1065, 1141)]