54321515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 69967584

約数和(自身を除く): 15646069

約数列:

[1, 5, 23, 41, 115, 205, 281, 943, 1405, 1681, 4715, 6463, 8405, 11521, 32315, 38663, 57605, 193315, 264983, 472361, 1324915, 2361805, 10864303, 54321515]

約数ペア:

[(1, 54321515), (5, 10864303), (23, 2361805), (41, 1324915), (115, 472361), (205, 264983), (281, 193315), (943, 57605), (1405, 38663), (1681, 32315), (4715, 11521), (6463, 8405)]