28110705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{267721}}^1$

素因数の和:267736

約数の個数: 16

約数和(自身を含む): 51402624

約数和(自身を除く): 23291919

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 267721, 803163, 1338605, 1874047, 4015815, 5622141, 9370235, 28110705]

約数ペア:

[(1, 28110705), (3, 9370235), (5, 5622141), (7, 4015815), (15, 1874047), (21, 1338605), (35, 803163), (105, 267721)]