28738557

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{1801}}^1$

素因数の和:2010

約数の個数: 20

約数和(自身を含む): 43172316

約数和(自身を除く): 14433759

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 1801, 5319, 5403, 15957, 16209, 48627, 145881, 354797, 1064391, 3193173, 9579519, 28738557]

約数ペア:

[(1, 28738557), (3, 9579519), (9, 3193173), (27, 1064391), (81, 354797), (197, 145881), (591, 48627), (1773, 16209), (1801, 15957), (5319, 5403)]