28738437

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105269}}^1$

素因数の和:105292

約数の個数: 16

約数和(自身を含む): 47160960

約数和(自身を除く): 18422523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105269, 315807, 736883, 1368497, 2210649, 4105491, 9579479, 28738437]

約数ペア:

[(1, 28738437), (3, 9579479), (7, 4105491), (13, 2210649), (21, 1368497), (39, 736883), (91, 315807), (273, 105269)]