87806439

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 150492160

約数和(自身を除く): 62685721

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 139, 259, 271, 333, 417, 777, 813, 973, 1251, 1897, 2331, 2439, 2919, 5143, 5691, 8757, 10027, 15429, 17073, 30081, 36001, 37669, 46287, 70189, 90243, 108003, 113007, 210567, 263683, 324009, 339021, 631701, 791049, 1393753, 2373147, 4181259, 9756271, 12543777, 29268813, 87806439]

約数ペア:

[(1, 87806439), (3, 29268813), (7, 12543777), (9, 9756271), (21, 4181259), (37, 2373147), (63, 1393753), (111, 791049), (139, 631701), (259, 339021), (271, 324009), (333, 263683), (417, 210567), (777, 113007), (813, 108003), (973, 90243), (1251, 70189), (1897, 46287), (2331, 37669), (2439, 36001), (2919, 30081), (5143, 17073), (5691, 15429), (8757, 10027)]