1281057939

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{599}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 2149056000

約数和(自身を除く): 867998061

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 409, 581, 599, 747, 1227, 1743, 1797, 2863, 3681, 4193, 5229, 5391, 8589, 12579, 25767, 33947, 37737, 49717, 101841, 149151, 237629, 244991, 305523, 348019, 447453, 712887, 734973, 1044057, 1714937, 2138661, 2204919, 3132171, 5144811, 15434433, 20334253, 61002759, 142339771, 183008277, 427019313, 1281057939]

約数ペア:

[(1, 1281057939), (3, 427019313), (7, 183008277), (9, 142339771), (21, 61002759), (63, 20334253), (83, 15434433), (249, 5144811), (409, 3132171), (581, 2204919), (599, 2138661), (747, 1714937), (1227, 1044057), (1743, 734973), (1797, 712887), (2863, 447453), (3681, 348019), (4193, 305523), (5229, 244991), (5391, 237629), (8589, 149151), (12579, 101841), (25767, 49717), (33947, 37737)]