81890877

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{4567}}^1$

素因数の和:4752

約数の個数: 16

約数和(自身を含む): 112555520

約数和(自身を除く): 30664643

約数列:

[1, 3, 43, 129, 139, 417, 4567, 5977, 13701, 17931, 196381, 589143, 634813, 1904439, 27296959, 81890877]

約数ペア:

[(1, 81890877), (3, 27296959), (43, 1904439), (129, 634813), (139, 589143), (417, 196381), (4567, 17931), (5977, 13701)]