28190757

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31219}}^1$

素因数の和:31272

約数の個数: 16

約数和(自身を含む): 43957760

約数和(自身を除く): 15767003

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31219, 93657, 218533, 655599, 1342417, 4027251, 9396919, 28190757]

約数ペア:

[(1, 28190757), (3, 9396919), (7, 4027251), (21, 1342417), (43, 655599), (129, 218533), (301, 93657), (903, 31219)]