19931447601

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{41479}}^1$

素因数の和:41575

約数の個数: 48

約数和(自身を含む): 32682921600

約数和(自身を除く): 12751473999

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1369, 1443, 4107, 4329, 12321, 12987, 17797, 36963, 41479, 53391, 124437, 160173, 373311, 480519, 539227, 1119933, 1534723, 1617681, 4604169, 4853043, 13812507, 14559129, 19951399, 41437521, 56784751, 59854197, 170354253, 179562591, 511062759, 538687773, 738201763, 1533188277, 2214605289, 6643815867, 19931447601]

約数ペア:

[(1, 19931447601), (3, 6643815867), (9, 2214605289), (13, 1533188277), (27, 738201763), (37, 538687773), (39, 511062759), (111, 179562591), (117, 170354253), (333, 59854197), (351, 56784751), (481, 41437521), (999, 19951399), (1369, 14559129), (1443, 13812507), (4107, 4853043), (4329, 4604169), (12321, 1617681), (12987, 1534723), (17797, 1119933), (36963, 539227), (41479, 480519), (53391, 373311), (124437, 160173)]