15540987

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1373}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 26380800

約数和(自身を除く): 10839813

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1373, 1617, 3773, 4119, 9611, 11319, 15103, 28833, 45309, 67277, 105721, 201831, 317163, 470939, 740047, 1412817, 2220141, 5180329, 15540987]

約数ペア:

[(1, 15540987), (3, 5180329), (7, 2220141), (11, 1412817), (21, 740047), (33, 470939), (49, 317163), (77, 201831), (147, 105721), (231, 67277), (343, 45309), (539, 28833), (1029, 15103), (1373, 11319), (1617, 9611), (3773, 4119)]