28301685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 49133952

約数和(自身を除く): 20832267

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 2707, 3485, 8121, 10455, 13535, 40605, 46019, 110987, 138057, 230095, 332961, 554935, 690285, 1664805, 1886779, 5660337, 9433895, 28301685]

約数ペア:

[(1, 28301685), (3, 9433895), (5, 5660337), (15, 1886779), (17, 1664805), (41, 690285), (51, 554935), (85, 332961), (123, 230095), (205, 138057), (255, 110987), (615, 46019), (697, 40605), (2091, 13535), (2707, 10455), (3485, 8121)]