12139995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 22982400

約数和(自身を除く): 10842405

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 83, 105, 147, 199, 245, 249, 415, 581, 597, 735, 995, 1245, 1393, 1743, 2905, 2985, 4067, 4179, 6965, 8715, 9751, 12201, 16517, 20335, 20895, 29253, 48755, 49551, 61005, 82585, 115619, 146265, 247755, 346857, 578095, 809333, 1734285, 2427999, 4046665, 12139995]

約数ペア:

[(1, 12139995), (3, 4046665), (5, 2427999), (7, 1734285), (15, 809333), (21, 578095), (35, 346857), (49, 247755), (83, 146265), (105, 115619), (147, 82585), (199, 61005), (245, 49551), (249, 48755), (415, 29253), (581, 20895), (597, 20335), (735, 16517), (995, 12201), (1245, 9751), (1393, 8715), (1743, 6965), (2905, 4179), (2985, 4067)]