1285403751

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1319}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 2018016000

約数和(自身を除く): 732612249

約数列:

[1, 3, 9, 19, 41, 57, 123, 139, 171, 369, 417, 779, 1251, 1319, 2337, 2641, 3957, 5699, 7011, 7923, 11871, 17097, 23769, 25061, 51291, 54079, 75183, 108281, 162237, 183341, 225549, 324843, 486711, 550023, 974529, 1027501, 1650069, 3082503, 3483479, 7516981, 9247509, 10450437, 22550943, 31351311, 67652829, 142822639, 428467917, 1285403751]

約数ペア:

[(1, 1285403751), (3, 428467917), (9, 142822639), (19, 67652829), (41, 31351311), (57, 22550943), (123, 10450437), (139, 9247509), (171, 7516981), (369, 3483479), (417, 3082503), (779, 1650069), (1251, 1027501), (1319, 974529), (2337, 550023), (2641, 486711), (3957, 324843), (5699, 225549), (7011, 183341), (7923, 162237), (11871, 108281), (17097, 75183), (23769, 54079), (25061, 51291)]