26400405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5449}}^1$

素因数の和:5493

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 20687595

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 5449, 16347, 27245, 81735, 92633, 103531, 277899, 310593, 463165, 517655, 1389495, 1552965, 1760027, 5280081, 8800135, 26400405]

約数ペア:

[(1, 26400405), (3, 8800135), (5, 5280081), (15, 1760027), (17, 1552965), (19, 1389495), (51, 517655), (57, 463165), (85, 310593), (95, 277899), (255, 103531), (285, 92633), (323, 81735), (969, 27245), (1615, 16347), (4845, 5449)]