251267859

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{3313}}^1$

素因数の和:3428

約数の個数: 24

約数和(自身を含む): 379519280

約数和(自身を除く): 128251421

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 2809, 3313, 8427, 9939, 25281, 29817, 75843, 89451, 175589, 526767, 1580301, 4740903, 9306217, 27918651, 83755953, 251267859]

約数ペア:

[(1, 251267859), (3, 83755953), (9, 27918651), (27, 9306217), (53, 4740903), (159, 1580301), (477, 526767), (1431, 175589), (2809, 89451), (3313, 75843), (8427, 29817), (9939, 25281)]