90216987

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{10061}}^1$

素因数の和:10139

約数の個数: 24

約数和(自身を含む): 142236432

約数和(自身を除く): 52019445

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 10061, 30183, 70427, 211281, 492989, 613721, 1478967, 1841163, 4296047, 12888141, 30072329, 90216987]

約数ペア:

[(1, 90216987), (3, 30072329), (7, 12888141), (21, 4296047), (49, 1841163), (61, 1478967), (147, 613721), (183, 492989), (427, 211281), (1281, 70427), (2989, 30183), (8967, 10061)]