28966671

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{2351}}^1$

素因数の和:2431

約数の個数: 18

約数和(自身を含む): 43020432

約数和(自身を除く): 14053761

約数列:

[1, 3, 9, 37, 111, 333, 1369, 2351, 4107, 7053, 12321, 21159, 86987, 260961, 782883, 3218519, 9655557, 28966671]

約数ペア:

[(1, 28966671), (3, 9655557), (9, 3218519), (37, 782883), (111, 260961), (333, 86987), (1369, 21159), (2351, 12321), (4107, 7053)]