28728105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{273601}}^1$

素因数の和:273616

約数の個数: 16

約数和(自身を含む): 52531584

約数和(自身を除く): 23803479

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 273601, 820803, 1368005, 1915207, 4104015, 5745621, 9576035, 28728105]

約数ペア:

[(1, 28728105), (3, 9576035), (5, 5745621), (7, 4104015), (15, 1915207), (21, 1368005), (35, 820803), (105, 273601)]