27996865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 38497536

約数和(自身を除く): 10500671

約数列:

[1, 5, 13, 23, 61, 65, 115, 299, 305, 307, 793, 1403, 1495, 1535, 3965, 3991, 7015, 7061, 18239, 18727, 19955, 35305, 91195, 91793, 93635, 243451, 430721, 458965, 1217255, 2153605, 5599373, 27996865]

約数ペア:

[(1, 27996865), (5, 5599373), (13, 2153605), (23, 1217255), (61, 458965), (65, 430721), (115, 243451), (299, 93635), (305, 91793), (307, 91195), (793, 35305), (1403, 19955), (1495, 18727), (1535, 18239), (3965, 7061), (3991, 7015)]