15305815

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 21855744

約数和(自身を除く): 6549929

約数列:

[1, 5, 7, 35, 61, 67, 107, 305, 335, 427, 469, 535, 749, 2135, 2345, 3745, 4087, 6527, 7169, 20435, 28609, 32635, 35845, 45689, 50183, 143045, 228445, 250915, 437309, 2186545, 3061163, 15305815]

約数ペア:

[(1, 15305815), (5, 3061163), (7, 2186545), (35, 437309), (61, 250915), (67, 228445), (107, 143045), (305, 50183), (335, 45689), (427, 35845), (469, 32635), (535, 28609), (749, 20435), (2135, 7169), (2345, 6527), (3745, 4087)]