13681075

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 17776640

約数和(自身を除く): 4095565

約数列:

[1, 5, 25, 31, 127, 139, 155, 635, 695, 775, 3175, 3475, 3937, 4309, 17653, 19685, 21545, 88265, 98425, 107725, 441325, 547243, 2736215, 13681075]

約数ペア:

[(1, 13681075), (5, 2736215), (25, 547243), (31, 441325), (127, 107725), (139, 98425), (155, 88265), (635, 21545), (695, 19685), (775, 17653), (3175, 4309), (3475, 3937)]