28302981

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3361}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 43248768

約数和(自身を除く): 14945787

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 3361, 8421, 10083, 23527, 70581, 1347761, 4043283, 9434327, 28302981]

約数ペア:

[(1, 28302981), (3, 9434327), (7, 4043283), (21, 1347761), (401, 70581), (1203, 23527), (2807, 10083), (3361, 8421)]