28037457

素因数分解:

$3^2\times 7^2\times {\mathrm{63577}}^1$

素因数の和:63597

約数の個数: 18

約数和(自身を含む): 47111298

約数和(自身を除く): 19073841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63577, 190731, 445039, 572193, 1335117, 3115273, 4005351, 9345819, 28037457]

約数ペア:

[(1, 28037457), (3, 9345819), (7, 4005351), (9, 3115273), (21, 1335117), (49, 572193), (63, 445039), (147, 190731), (441, 63577)]