28442967

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1721}}^1$

素因数の和:2518

約数の個数: 16

約数和(自身を含む): 43421952

約数和(自身を除く): 14978985

約数列:

[1, 3, 7, 21, 787, 1721, 2361, 5163, 5509, 12047, 16527, 36141, 1354427, 4063281, 9480989, 28442967]

約数ペア:

[(1, 28442967), (3, 9480989), (7, 4063281), (21, 1354427), (787, 36141), (1721, 16527), (2361, 12047), (5163, 5509)]