28006755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11597}}^1$

素因数の和:11635

約数の個数: 32

約数和(自身を含む): 53443584

約数和(自身を除く): 25436829

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11597, 34791, 57985, 81179, 173955, 243537, 266731, 405895, 800193, 1217685, 1333655, 1867117, 4000965, 5601351, 9335585, 28006755]

約数ペア:

[(1, 28006755), (3, 9335585), (5, 5601351), (7, 4000965), (15, 1867117), (21, 1333655), (23, 1217685), (35, 800193), (69, 405895), (105, 266731), (115, 243537), (161, 173955), (345, 81179), (483, 57985), (805, 34791), (2415, 11597)]