5215815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 10142496

約数和(自身を除く): 4926681

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 257, 369, 451, 495, 615, 771, 1285, 1353, 1845, 2255, 2313, 2827, 3855, 4059, 6765, 8481, 10537, 11565, 14135, 20295, 25443, 31611, 42405, 52685, 94833, 115907, 127215, 158055, 347721, 474165, 579535, 1043163, 1738605, 5215815]

約数ペア:

[(1, 5215815), (3, 1738605), (5, 1043163), (9, 579535), (11, 474165), (15, 347721), (33, 158055), (41, 127215), (45, 115907), (55, 94833), (99, 52685), (123, 42405), (165, 31611), (205, 25443), (257, 20295), (369, 14135), (451, 11565), (495, 10537), (615, 8481), (771, 6765), (1285, 4059), (1353, 3855), (1845, 2827), (2255, 2313)]