28050057

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 48732992

約数和(自身を除く): 20682935

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 811, 1281, 1647, 2433, 3843, 4941, 5677, 7299, 11529, 17031, 21897, 34587, 49471, 51093, 65691, 148413, 153279, 346297, 445239, 459837, 1038891, 1335717, 3116673, 4007151, 9350019, 28050057]

約数ペア:

[(1, 28050057), (3, 9350019), (7, 4007151), (9, 3116673), (21, 1335717), (27, 1038891), (61, 459837), (63, 445239), (81, 346297), (183, 153279), (189, 148413), (427, 65691), (549, 51093), (567, 49471), (811, 34587), (1281, 21897), (1647, 17031), (2433, 11529), (3843, 7299), (4941, 5677)]