990778005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{3145327}}^1$

素因数の和:3145345

約数の個数: 24

約数和(自身を含む): 1962684672

約数和(自身を除く): 971906667

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 3145327, 9435981, 15726635, 22017289, 28307943, 47179905, 66051867, 110086445, 141539715, 198155601, 330259335, 990778005]

約数ペア:

[(1, 990778005), (3, 330259335), (5, 198155601), (7, 141539715), (9, 110086445), (15, 66051867), (21, 47179905), (35, 28307943), (45, 22017289), (63, 15726635), (105, 9435981), (315, 3145327)]