28990815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6421}}^1$

素因数の和:6479

約数の個数: 32

約数和(自身を含む): 54253056

約数和(自身を除く): 25262241

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 6421, 19263, 32105, 44947, 96315, 134841, 224735, 276103, 674205, 828309, 1380515, 1932721, 4141545, 5798163, 9663605, 28990815]

約数ペア:

[(1, 28990815), (3, 9663605), (5, 5798163), (7, 4141545), (15, 1932721), (21, 1380515), (35, 828309), (43, 674205), (105, 276103), (129, 224735), (215, 134841), (301, 96315), (645, 44947), (903, 32105), (1505, 19263), (4515, 6421)]