28124187

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14717}}^1$

素因数の和:14747

約数の個数: 24

約数和(自身を含む): 46979856

約数和(自身を除く): 18855669

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14717, 44151, 103019, 191321, 309057, 573963, 721133, 1339247, 2163399, 4017741, 9374729, 28124187]

約数ペア:

[(1, 28124187), (3, 9374729), (7, 4017741), (13, 2163399), (21, 1339247), (39, 721133), (49, 573963), (91, 309057), (147, 191321), (273, 103019), (637, 44151), (1911, 14717)]