28749885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 19634115

約数列:

[1, 3, 5, 15, 23, 69, 115, 167, 345, 499, 501, 835, 1497, 2495, 2505, 3841, 7485, 11477, 11523, 19205, 34431, 57385, 57615, 83333, 172155, 249999, 416665, 1249995, 1916659, 5749977, 9583295, 28749885]

約数ペア:

[(1, 28749885), (3, 9583295), (5, 5749977), (15, 1916659), (23, 1249995), (69, 416665), (115, 249999), (167, 172155), (345, 83333), (499, 57615), (501, 57385), (835, 34431), (1497, 19205), (2495, 11523), (2505, 11477), (3841, 7485)]