81251877

素因数分解:

$3^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{2719}}^1$

素因数の和:4152

約数の個数: 16

約数和(自身を含む): 123944960

約数和(自身を除く): 42693083

約数列:

[1, 3, 7, 21, 1423, 2719, 4269, 8157, 9961, 19033, 29883, 57099, 3869137, 11607411, 27083959, 81251877]

約数ペア:

[(1, 81251877), (3, 27083959), (7, 11607411), (21, 3869137), (1423, 57099), (2719, 29883), (4269, 19033), (8157, 9961)]