1666563759

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{1627}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 2803806720

約数和(自身を除く): 1137242961

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 229, 497, 639, 687, 1491, 1603, 1627, 2061, 4473, 4809, 4881, 11389, 14427, 14643, 16259, 34167, 48777, 102501, 113813, 115517, 146331, 341439, 346551, 372583, 808619, 1024317, 1039653, 1117749, 2425857, 2608081, 3353247, 7277571, 7824243, 23472729, 26453393, 79360179, 185173751, 238080537, 555521253, 1666563759]

約数ペア:

[(1, 1666563759), (3, 555521253), (7, 238080537), (9, 185173751), (21, 79360179), (63, 26453393), (71, 23472729), (213, 7824243), (229, 7277571), (497, 3353247), (639, 2608081), (687, 2425857), (1491, 1117749), (1603, 1039653), (1627, 1024317), (2061, 808619), (4473, 372583), (4809, 346551), (4881, 341439), (11389, 146331), (14427, 115517), (14643, 113813), (16259, 102501), (34167, 48777)]