28450821

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 45337600

約数和(自身を除く): 16886779

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 643, 903, 1029, 1929, 2107, 4501, 6321, 13503, 14749, 27649, 31507, 44247, 82947, 94521, 193543, 220549, 580629, 661647, 1354801, 4064403, 9483607, 28450821]

約数ペア:

[(1, 28450821), (3, 9483607), (7, 4064403), (21, 1354801), (43, 661647), (49, 580629), (129, 220549), (147, 193543), (301, 94521), (343, 82947), (643, 44247), (903, 31507), (1029, 27649), (1929, 14749), (2107, 13503), (4501, 6321)]