218028075

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{16061}}^1$

素因数の和:16255

約数の個数: 24

約数和(自身を含む): 362487216

約数和(自身を除く): 144459141

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2715, 4525, 13575, 16061, 48183, 80305, 240915, 401525, 1204575, 2907041, 8721123, 14535205, 43605615, 72676025, 218028075]

約数ペア:

[(1, 218028075), (3, 72676025), (5, 43605615), (15, 14535205), (25, 8721123), (75, 2907041), (181, 1204575), (543, 401525), (905, 240915), (2715, 80305), (4525, 48183), (13575, 16061)]