28163751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121921}}^1$

素因数の和:121942

約数の個数: 16

約数和(自身を含む): 46818048

約数和(自身を除く): 18654297

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 121921, 365763, 853447, 1341131, 2560341, 4023393, 9387917, 28163751]

約数ペア:

[(1, 28163751), (3, 9387917), (7, 4023393), (11, 2560341), (21, 1341131), (33, 853447), (77, 365763), (231, 121921)]