641135649

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17239}}^1$

素因数の和:17290

約数の個数: 48

約数和(自身を含む): 1132047360

約数和(自身を除く): 490911711

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 759, 1127, 1617, 1771, 3381, 5313, 12397, 17239, 37191, 51717, 120673, 189629, 362019, 396497, 568887, 844711, 1189491, 1327403, 2534133, 2775479, 3982209, 4361467, 8326437, 9291821, 13084401, 19428353, 27875463, 30530269, 58285059, 91590807, 213711883, 641135649]

約数ペア:

[(1, 641135649), (3, 213711883), (7, 91590807), (11, 58285059), (21, 30530269), (23, 27875463), (33, 19428353), (49, 13084401), (69, 9291821), (77, 8326437), (147, 4361467), (161, 3982209), (231, 2775479), (253, 2534133), (483, 1327403), (539, 1189491), (759, 844711), (1127, 568887), (1617, 396497), (1771, 362019), (3381, 189629), (5313, 120673), (12397, 51717), (17239, 37191)]