83981247

素因数分解:

$3^1\times 7^2\times {\mathrm{647}}^1\times {\mathrm{883}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 130605696

約数和(自身を除く): 46624449

約数列:

[1, 3, 7, 21, 49, 147, 647, 883, 1941, 2649, 4529, 6181, 13587, 18543, 31703, 43267, 95109, 129801, 571301, 1713903, 3999107, 11997321, 27993749, 83981247]

約数ペア:

[(1, 83981247), (3, 27993749), (7, 11997321), (21, 3999107), (49, 1713903), (147, 571301), (647, 129801), (883, 95109), (1941, 43267), (2649, 31703), (4529, 18543), (6181, 13587)]