2091215

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 2894400

約数和(自身を除く): 803185

約数列:

[1, 5, 7, 35, 149, 401, 745, 1043, 2005, 2807, 5215, 14035, 59749, 298745, 418243, 2091215]

約数ペア:

[(1, 2091215), (5, 418243), (7, 298745), (35, 59749), (149, 14035), (401, 5215), (745, 2807), (1043, 2005)]