28747005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6367}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 53796864

約数和(自身を除く): 25049859

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 6367, 19101, 31835, 44569, 95505, 133707, 222845, 273781, 668535, 821343, 1368905, 1916467, 4106715, 5749401, 9582335, 28747005]

約数ペア:

[(1, 28747005), (3, 9582335), (5, 5749401), (7, 4106715), (15, 1916467), (21, 1368905), (35, 821343), (43, 668535), (105, 273781), (129, 222845), (215, 133707), (301, 95505), (645, 44569), (903, 31835), (1505, 19101), (4515, 6367)]