28154181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 43706880

約数和(自身を除く): 15552699

約数列:

[1, 3, 11, 19, 33, 57, 83, 209, 249, 541, 627, 913, 1577, 1623, 2739, 4731, 5951, 10279, 17347, 17853, 30837, 44903, 52041, 113069, 134709, 339207, 493933, 853157, 1481799, 2559471, 9384727, 28154181]

約数ペア:

[(1, 28154181), (3, 9384727), (11, 2559471), (19, 1481799), (33, 853157), (57, 493933), (83, 339207), (209, 134709), (249, 113069), (541, 52041), (627, 44903), (913, 30837), (1577, 17853), (1623, 17347), (2739, 10279), (4731, 5951)]