28645869

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31723}}^1$

素因数の和:31776

約数の個数: 16

約数和(自身を含む): 44667392

約数和(自身を除く): 16021523

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31723, 95169, 222061, 666183, 1364089, 4092267, 9548623, 28645869]

約数ペア:

[(1, 28645869), (3, 9548623), (7, 4092267), (21, 1364089), (43, 666183), (129, 222061), (301, 95169), (903, 31723)]