28440027

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41039}}^1$

素因数の和:41063

約数の個数: 24

約数和(自身を含む): 51217920

約数和(自身を除く): 22777893

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 41039, 123117, 287273, 369351, 451429, 861819, 1354287, 2585457, 3160003, 4062861, 9480009, 28440027]

約数ペア:

[(1, 28440027), (3, 9480009), (7, 4062861), (9, 3160003), (11, 2585457), (21, 1354287), (33, 861819), (63, 451429), (77, 369351), (99, 287273), (231, 123117), (693, 41039)]