28957509

素因数分解:

$3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1097}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 47960640

約数和(自身を除く): 19003131

約数列:

[1, 3, 7, 9, 21, 63, 419, 1097, 1257, 2933, 3291, 3771, 7679, 8799, 9873, 23037, 26397, 69111, 459643, 1378929, 3217501, 4136787, 9652503, 28957509]

約数ペア:

[(1, 28957509), (3, 9652503), (7, 4136787), (9, 3217501), (21, 1378929), (63, 459643), (419, 69111), (1097, 26397), (1257, 23037), (2933, 9873), (3291, 8799), (3771, 7679)]