28771215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 50651136

約数和(自身を除く): 21879921

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 1373, 1397, 1905, 4119, 4191, 6865, 6985, 15103, 20595, 20955, 45309, 75515, 174371, 226545, 523113, 871855, 1918081, 2615565, 5754243, 9590405, 28771215]

約数ペア:

[(1, 28771215), (3, 9590405), (5, 5754243), (11, 2615565), (15, 1918081), (33, 871855), (55, 523113), (127, 226545), (165, 174371), (381, 75515), (635, 45309), (1373, 20955), (1397, 20595), (1905, 15103), (4119, 6985), (4191, 6865)]