28704897

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10667}}^1$

素因数の和:10709

約数の個数: 24

約数和(自身を含む): 46597824

約数和(自身を除く): 17892927

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 10667, 32001, 96003, 138671, 245341, 416013, 736023, 1248039, 2208069, 3189433, 9568299, 28704897]

約数ペア:

[(1, 28704897), (3, 9568299), (9, 3189433), (13, 2208069), (23, 1248039), (39, 736023), (69, 416013), (117, 245341), (207, 138671), (299, 96003), (897, 32001), (2691, 10667)]