128919903

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{115831}}^1$

素因数の和:115894

約数の個数: 16

約数和(自身を含む): 200157696

約数和(自身を除く): 71237793

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 115831, 347493, 810817, 2432451, 6139043, 18417129, 42973301, 128919903]

約数ペア:

[(1, 128919903), (3, 42973301), (7, 18417129), (21, 6139043), (53, 2432451), (159, 810817), (371, 347493), (1113, 115831)]