28287567

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40819}}^1$

素因数の和:40843

約数の個数: 24

約数和(自身を含む): 50943360

約数和(自身を除く): 22655793

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40819, 122457, 285733, 367371, 449009, 857199, 1347027, 2571597, 3143063, 4041081, 9429189, 28287567]

約数ペア:

[(1, 28287567), (3, 9429189), (7, 4041081), (9, 3143063), (11, 2571597), (21, 1347027), (33, 857199), (63, 449009), (77, 367371), (99, 285733), (231, 122457), (693, 40819)]