201455289

素因数分解:

$3^3\times 7^1\times {\mathrm{1065901}}^1$

素因数の和:1065917

約数の個数: 16

約数和(自身を含む): 341088640

約数和(自身を除く): 139633351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1065901, 3197703, 7461307, 9593109, 22383921, 28779327, 67151763, 201455289]

約数ペア:

[(1, 201455289), (3, 67151763), (7, 28779327), (9, 22383921), (21, 9593109), (27, 7461307), (63, 3197703), (189, 1065901)]