28683711231

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20386433}}^1$

素因数の和:20386510

約数の個数: 16

約数和(自身を含む): 44360880384

約数和(自身を除く): 15677169153

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20386433, 61159299, 142705031, 428115093, 1365891011, 4097673033, 9561237077, 28683711231]

約数ペア:

[(1, 28683711231), (3, 9561237077), (7, 4097673033), (21, 1365891011), (67, 428115093), (201, 142705031), (469, 61159299), (1407, 20386433)]