3971905

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 5480064

約数和(自身を除く): 1508159

約数列:

[1, 5, 7, 35, 283, 401, 1415, 1981, 2005, 2807, 9905, 14035, 113483, 567415, 794381, 3971905]

約数ペア:

[(1, 3971905), (5, 794381), (7, 567415), (35, 113483), (283, 14035), (401, 9905), (1415, 2807), (1981, 2005)]