28568619

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20747}}^1$

素因数の和:20776

約数の個数: 20

約数和(自身を含む): 45189144

約数和(自身を除く): 16620525

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20747, 62241, 186723, 352699, 560169, 1058097, 1680507, 3174291, 9522873, 28568619]

約数ペア:

[(1, 28568619), (3, 9522873), (9, 3174291), (17, 1680507), (27, 1058097), (51, 560169), (81, 352699), (153, 186723), (459, 62241), (1377, 20747)]