2647821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 4193280

約数和(自身を除く): 1545459

約数列:

[1, 3, 11, 19, 33, 41, 57, 103, 123, 209, 309, 451, 627, 779, 1133, 1353, 1957, 2337, 3399, 4223, 5871, 8569, 12669, 21527, 25707, 46453, 64581, 80237, 139359, 240711, 882607, 2647821]

約数ペア:

[(1, 2647821), (3, 882607), (11, 240711), (19, 139359), (33, 80237), (41, 64581), (57, 46453), (103, 25707), (123, 21527), (209, 12669), (309, 8569), (451, 5871), (627, 4223), (779, 3399), (1133, 2337), (1353, 1957)]