27638975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12149}}^1$

素因数の和:12179

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 14545825

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 12149, 60745, 85043, 157937, 303725, 425215, 789685, 1105559, 2126075, 3948425, 5527795, 27638975]

約数ペア:

[(1, 27638975), (5, 5527795), (7, 3948425), (13, 2126075), (25, 1105559), (35, 789685), (65, 425215), (91, 303725), (175, 157937), (325, 85043), (455, 60745), (2275, 12149)]