28271691

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1597}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 46866144

約数和(自身を除く): 18594453

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1597, 1967, 2529, 4791, 5901, 11179, 14373, 17703, 33537, 100611, 448757, 1346271, 3141299, 4038813, 9423897, 28271691]

約数ペア:

[(1, 28271691), (3, 9423897), (7, 4038813), (9, 3141299), (21, 1346271), (63, 448757), (281, 100611), (843, 33537), (1597, 17703), (1967, 14373), (2529, 11179), (4791, 5901)]