291223215

素因数分解:

$3^3\times 5^1\times {\mathrm{2157209}}^1$

素因数の和:2157223

約数の個数: 16

約数和(自身を含む): 517730400

約数和(自身を除く): 226507185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2157209, 6471627, 10786045, 19414881, 32358135, 58244643, 97074405, 291223215]

約数ペア:

[(1, 291223215), (3, 97074405), (5, 58244643), (9, 32358135), (15, 19414881), (27, 10786045), (45, 6471627), (135, 2157209)]