27809229

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 45639936

約数和(自身を除く): 17830707

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1277, 1281, 3111, 3831, 7259, 8939, 21709, 21777, 26817, 65127, 77897, 151963, 233691, 455889, 545279, 1324249, 1635837, 3972747, 9269743, 27809229]

約数ペア:

[(1, 27809229), (3, 9269743), (7, 3972747), (17, 1635837), (21, 1324249), (51, 545279), (61, 455889), (119, 233691), (183, 151963), (357, 77897), (427, 65127), (1037, 26817), (1277, 21777), (1281, 21709), (3111, 8939), (3831, 7259)]