42189987

素因数分解:

$3^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1789}}^1$

素因数の和:2922

約数の個数: 16

約数和(自身を含む): 64382720

約数和(自身を除く): 22192733

約数列:

[1, 3, 7, 21, 1123, 1789, 3369, 5367, 7861, 12523, 23583, 37569, 2009047, 6027141, 14063329, 42189987]

約数ペア:

[(1, 42189987), (3, 14063329), (7, 6027141), (21, 2009047), (1123, 37569), (1789, 23583), (3369, 12523), (5367, 7861)]