1387641003

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2712

約数の個数: 64

約数和(自身を含む): 2351923200

約数和(自身を除く): 964282197

約数列:

[1, 3, 7, 19, 21, 31, 43, 57, 93, 129, 133, 217, 301, 399, 589, 651, 817, 903, 1333, 1767, 2451, 2609, 3999, 4123, 5719, 7827, 9331, 12369, 17157, 18263, 25327, 27993, 49571, 54789, 75981, 80879, 112187, 148713, 177289, 242637, 336561, 346997, 531867, 566153, 785309, 1040991, 1536701, 1698459, 2131553, 2355927, 3477797, 4610103, 6394659, 10433391, 10756907, 14920871, 24344579, 32270721, 44762613, 66078143, 73033737, 198234429, 462547001, 1387641003]

約数ペア:

[(1, 1387641003), (3, 462547001), (7, 198234429), (19, 73033737), (21, 66078143), (31, 44762613), (43, 32270721), (57, 24344579), (93, 14920871), (129, 10756907), (133, 10433391), (217, 6394659), (301, 4610103), (399, 3477797), (589, 2355927), (651, 2131553), (817, 1698459), (903, 1536701), (1333, 1040991), (1767, 785309), (2451, 566153), (2609, 531867), (3999, 346997), (4123, 336561), (5719, 242637), (7827, 177289), (9331, 148713), (12369, 112187), (17157, 80879), (18263, 75981), (25327, 54789), (27993, 49571)]