28537173

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2347}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 47373248

約数和(自身を除く): 18836075

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 2347, 4053, 7041, 12159, 16429, 21123, 49287, 147861, 452971, 1358913, 3170797, 4076739, 9512391, 28537173]

約数ペア:

[(1, 28537173), (3, 9512391), (7, 4076739), (9, 3170797), (21, 1358913), (63, 452971), (193, 147861), (579, 49287), (1351, 21123), (1737, 16429), (2347, 12159), (4053, 7041)]