28161273

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1913}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 42996096

約数和(自身を除く): 14834823

約数列:

[1, 3, 7, 21, 701, 1913, 2103, 4907, 5739, 13391, 14721, 40173, 1341013, 4023039, 9387091, 28161273]

約数ペア:

[(1, 28161273), (3, 9387091), (7, 4023039), (21, 1341013), (701, 40173), (1913, 14721), (2103, 13391), (4907, 5739)]