87081883

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21121}}^1$

素因数の和:21178

約数の個数: 16

約数和(自身を含む): 108144640

約数和(自身を除く): 21062757

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 21121, 147847, 401299, 654751, 2809093, 4583257, 12440269, 87081883]

約数ペア:

[(1, 87081883), (7, 12440269), (19, 4583257), (31, 2809093), (133, 654751), (217, 401299), (589, 147847), (4123, 21121)]