2051279223

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2639999}}^1$

素因数の和:2640046

約数の個数: 16

約数和(自身を含む): 3210240000

約数和(自身を除く): 1158960777

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 2639999, 7919997, 18479993, 55439979, 97679963, 293039889, 683759741, 2051279223]

約数ペア:

[(1, 2051279223), (3, 683759741), (7, 293039889), (21, 97679963), (37, 55439979), (111, 18479993), (259, 7919997), (777, 2639999)]