81075841

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 103420800

約数和(自身を除く): 22344959

約数列:

[1, 7, 11, 49, 77, 349, 431, 539, 2443, 3017, 3839, 4741, 17101, 21119, 26873, 33187, 150419, 188111, 232309, 1052933, 1654609, 7370531, 11582263, 81075841]

約数ペア:

[(1, 81075841), (7, 11582263), (11, 7370531), (49, 1654609), (77, 1052933), (349, 232309), (431, 188111), (539, 150419), (2443, 33187), (3017, 26873), (3839, 21119), (4741, 17101)]