28739613

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15377}}^1$

素因数の和:15476

約数の個数: 16

約数和(自身を含む): 44288640

約数和(自身を除く): 15549027

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15377, 46131, 107639, 322917, 1368553, 4105659, 9579871, 28739613]

約数ペア:

[(1, 28739613), (3, 9579871), (7, 4105659), (21, 1368553), (89, 322917), (267, 107639), (623, 46131), (1869, 15377)]