27580905

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 28036503

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 81, 99, 123, 135, 151, 165, 205, 297, 369, 405, 451, 453, 495, 615, 755, 891, 1107, 1353, 1359, 1485, 1661, 1845, 2255, 2265, 3321, 4059, 4077, 4455, 4983, 5535, 6191, 6765, 6795, 8305, 12177, 12231, 14949, 16605, 18573, 20295, 20385, 24915, 30955, 36531, 44847, 55719, 60885, 61155, 68101, 74745, 92865, 134541, 167157, 182655, 204303, 224235, 278595, 340505, 501471, 612909, 672705, 835785, 1021515, 1838727, 2507355, 3064545, 5516181, 9193635, 27580905]

約数ペア:

[(1, 27580905), (3, 9193635), (5, 5516181), (9, 3064545), (11, 2507355), (15, 1838727), (27, 1021515), (33, 835785), (41, 672705), (45, 612909), (55, 501471), (81, 340505), (99, 278595), (123, 224235), (135, 204303), (151, 182655), (165, 167157), (205, 134541), (297, 92865), (369, 74745), (405, 68101), (451, 61155), (453, 60885), (495, 55719), (615, 44847), (755, 36531), (891, 30955), (1107, 24915), (1353, 20385), (1359, 20295), (1485, 18573), (1661, 16605), (1845, 14949), (2255, 12231), (2265, 12177), (3321, 8305), (4059, 6795), (4077, 6765), (4455, 6191), (4983, 5535)]