25015245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 42653952

約数和(自身を除く): 17638707

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 373, 789, 1119, 1315, 1865, 3945, 4471, 5595, 6341, 13413, 19023, 22355, 31705, 67065, 95115, 98099, 294297, 490495, 1471485, 1667683, 5003049, 8338415, 25015245]

約数ペア:

[(1, 25015245), (3, 8338415), (5, 5003049), (15, 1667683), (17, 1471485), (51, 490495), (85, 294297), (255, 98099), (263, 95115), (373, 67065), (789, 31705), (1119, 22355), (1315, 19023), (1865, 13413), (3945, 6341), (4471, 5595)]