83898143

素因数分解:

$7^4\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:532

約数の個数: 20

約数和(自身を含む): 99289848

約数和(自身を除く): 15391705

約数列:

[1, 7, 49, 83, 343, 421, 581, 2401, 2947, 4067, 20629, 28469, 34943, 144403, 199283, 244601, 1010821, 1712207, 11985449, 83898143]

約数ペア:

[(1, 83898143), (7, 11985449), (49, 1712207), (83, 1010821), (343, 244601), (421, 199283), (581, 144403), (2401, 34943), (2947, 28469), (4067, 20629)]