28493199

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4391}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 47503872

約数和(自身を除く): 19010673

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4391, 6489, 13173, 30737, 39519, 92211, 276633, 452273, 1356819, 3165911, 4070457, 9497733, 28493199]

約数ペア:

[(1, 28493199), (3, 9497733), (7, 4070457), (9, 3165911), (21, 1356819), (63, 452273), (103, 276633), (309, 92211), (721, 39519), (927, 30737), (2163, 13173), (4391, 6489)]