158942007

素因数分解:

$3^4\times 7^1\times {\mathrm{280321}}^1$

素因数の和:280340

約数の個数: 20

約数和(自身を含む): 271351696

約数和(自身を除く): 112409689

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 280321, 840963, 1962247, 2522889, 5886741, 7568667, 17660223, 22706001, 52980669, 158942007]

約数ペア:

[(1, 158942007), (3, 52980669), (7, 22706001), (9, 17660223), (21, 7568667), (27, 5886741), (63, 2522889), (81, 1962247), (189, 840963), (567, 280321)]