208253145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{19919}}^1$

素因数の和:19985

約数の個数: 32

約数和(自身を含む): 361428480

約数和(自身を除く): 153175335

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 19919, 59757, 99595, 298785, 338623, 816679, 1015869, 1693115, 2450037, 4083395, 5079345, 12250185, 13883543, 41650629, 69417715, 208253145]

約数ペア:

[(1, 208253145), (3, 69417715), (5, 41650629), (15, 13883543), (17, 12250185), (41, 5079345), (51, 4083395), (85, 2450037), (123, 1693115), (205, 1015869), (255, 816679), (615, 338623), (697, 298785), (2091, 99595), (3485, 59757), (10455, 19919)]