25320561

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 39782400

約数和(自身を除く): 14461839

約数列:

[1, 3, 7, 21, 73, 83, 199, 219, 249, 511, 581, 597, 1393, 1533, 1743, 4179, 6059, 14527, 16517, 18177, 42413, 43581, 49551, 101689, 115619, 127239, 305067, 346857, 1205741, 3617223, 8440187, 25320561]

約数ペア:

[(1, 25320561), (3, 8440187), (7, 3617223), (21, 1205741), (73, 346857), (83, 305067), (199, 127239), (219, 115619), (249, 101689), (511, 49551), (581, 43581), (597, 42413), (1393, 18177), (1533, 16517), (1743, 14527), (4179, 6059)]