28208151

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 43349904

約数和(自身を除く): 15141753

約数列:

[1, 3, 9, 17, 51, 153, 331, 557, 993, 1671, 2979, 5013, 5627, 9469, 16881, 28407, 50643, 85221, 184367, 553101, 1659303, 3134239, 9402717, 28208151]

約数ペア:

[(1, 28208151), (3, 9402717), (9, 3134239), (17, 1659303), (51, 553101), (153, 184367), (331, 85221), (557, 50643), (993, 28407), (1671, 16881), (2979, 9469), (5013, 5627)]