81151831

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4751}}^1$

素因数の和:4830

約数の個数: 16

約数和(自身を含む): 91238400

約数和(自身を除く): 10086569

約数列:

[1, 19, 29, 31, 551, 589, 899, 4751, 17081, 90269, 137779, 147281, 2617801, 2798339, 4271149, 81151831]

約数ペア:

[(1, 81151831), (19, 4271149), (29, 2798339), (31, 2617801), (551, 147281), (589, 137779), (899, 90269), (4751, 17081)]