144720009

素因数分解:

$3^2\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{2161}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 239238272

約数和(自身を除く): 94518263

約数列:

[1, 3, 7, 9, 21, 63, 1063, 2161, 3189, 6483, 7441, 9567, 15127, 19449, 22323, 45381, 66969, 136143, 2297143, 6891429, 16080001, 20674287, 48240003, 144720009]

約数ペア:

[(1, 144720009), (3, 48240003), (7, 20674287), (9, 16080001), (21, 6891429), (63, 2297143), (1063, 136143), (2161, 66969), (3189, 45381), (6483, 22323), (7441, 19449), (9567, 15127)]