205122717

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{7129}}^1$

素因数の和:7297

約数の個数: 24

約数和(自身を含む): 311438400

約数和(自身を除く): 106315683

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 1251, 3197, 7129, 9591, 21387, 28773, 64161, 163967, 491901, 990931, 1475703, 2972793, 8918379, 22791413, 68374239, 205122717]

約数ペア:

[(1, 205122717), (3, 68374239), (9, 22791413), (23, 8918379), (69, 2972793), (139, 1475703), (207, 990931), (417, 491901), (1251, 163967), (3197, 64161), (7129, 28773), (9591, 21387)]