2013355881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1361}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 3153084480

約数和(自身を除く): 1139728599

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 211, 369, 633, 779, 1361, 1899, 2337, 4009, 4083, 7011, 8651, 12027, 12249, 25859, 25953, 36081, 55801, 77577, 77859, 164369, 167403, 232731, 287171, 493107, 502209, 861513, 1060219, 1479321, 2584539, 3180657, 5456249, 9541971, 11774011, 16368747, 35322033, 49106241, 105966099, 223706209, 671118627, 2013355881]

約数ペア:

[(1, 2013355881), (3, 671118627), (9, 223706209), (19, 105966099), (41, 49106241), (57, 35322033), (123, 16368747), (171, 11774011), (211, 9541971), (369, 5456249), (633, 3180657), (779, 2584539), (1361, 1479321), (1899, 1060219), (2337, 861513), (4009, 502209), (4083, 493107), (7011, 287171), (8651, 232731), (12027, 167403), (12249, 164369), (25859, 77859), (25953, 77577), (36081, 55801)]