87211515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 146188800

約数和(自身を除く): 58977285

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 449, 563, 1347, 1689, 2245, 2815, 6735, 8445, 10327, 12949, 30981, 38847, 51635, 64745, 154905, 194235, 252787, 758361, 1263935, 3791805, 5814101, 17442303, 29070505, 87211515]

約数ペア:

[(1, 87211515), (3, 29070505), (5, 17442303), (15, 5814101), (23, 3791805), (69, 1263935), (115, 758361), (345, 252787), (449, 194235), (563, 154905), (1347, 64745), (1689, 51635), (2245, 38847), (2815, 30981), (6735, 12949), (8445, 10327)]