15775815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 12964281

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 4157, 12471, 20785, 45727, 62355, 95611, 137181, 228635, 286833, 478055, 685905, 1051721, 1434165, 3155163, 5258605, 15775815]

約数ペア:

[(1, 15775815), (3, 5258605), (5, 3155163), (11, 1434165), (15, 1051721), (23, 685905), (33, 478055), (55, 286833), (69, 228635), (115, 137181), (165, 95611), (253, 62355), (345, 45727), (759, 20785), (1265, 12471), (3795, 4157)]