28904859

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2971}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 44508672

約数和(自身を除く): 15603813

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2971, 3243, 8913, 9729, 26739, 68333, 139637, 204999, 418911, 614997, 1256733, 3211651, 9634953, 28904859]

約数ペア:

[(1, 28904859), (3, 9634953), (9, 3211651), (23, 1256733), (47, 614997), (69, 418911), (141, 204999), (207, 139637), (423, 68333), (1081, 26739), (2971, 9729), (3243, 8913)]