140147399

素因数分解:

$7^3\times {\mathrm{487}}^1\times {\mathrm{839}}^1$

素因数の和:1347

約数の個数: 16

約数和(自身を含む): 163968000

約数和(自身を除く): 23820601

約数列:

[1, 7, 49, 343, 487, 839, 3409, 5873, 23863, 41111, 167041, 287777, 408593, 2860151, 20021057, 140147399]

約数ペア:

[(1, 140147399), (7, 20021057), (49, 2860151), (343, 408593), (487, 287777), (839, 167041), (3409, 41111), (5873, 23863)]