255928323

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{16903}}^1$

素因数の和:17023

約数の個数: 24

約数和(自身を含む): 400827648

約数和(自身を除く): 144899325

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 15141, 16903, 50709, 118321, 354963, 828247, 1741009, 2484741, 5223027, 12187063, 36561189, 85309441, 255928323]

約数ペア:

[(1, 255928323), (3, 85309441), (7, 36561189), (21, 12187063), (49, 5223027), (103, 2484741), (147, 1741009), (309, 828247), (721, 354963), (2163, 118321), (5047, 50709), (15141, 16903)]