40020351

素因数分解:

$3^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1697}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 61073664

約数和(自身を除く): 21053313

約数列:

[1, 3, 7, 21, 1123, 1697, 3369, 5091, 7861, 11879, 23583, 35637, 1905731, 5717193, 13340117, 40020351]

約数ペア:

[(1, 40020351), (3, 13340117), (7, 5717193), (21, 1905731), (1123, 35637), (1697, 23583), (3369, 11879), (5091, 7861)]