25488165

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 41863680

約数和(自身を除く): 16375515

約数列:

[1, 3, 5, 15, 79, 137, 157, 237, 395, 411, 471, 685, 785, 1185, 2055, 2355, 10823, 12403, 21509, 32469, 37209, 54115, 62015, 64527, 107545, 162345, 186045, 322635, 1699211, 5097633, 8496055, 25488165]

約数ペア:

[(1, 25488165), (3, 8496055), (5, 5097633), (15, 1699211), (79, 322635), (137, 186045), (157, 162345), (237, 107545), (395, 64527), (411, 62015), (471, 54115), (685, 37209), (785, 32469), (1185, 21509), (2055, 12403), (2355, 10823)]