2705157

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 4987136

約数和(自身を除く): 2281979

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 367, 567, 819, 1053, 1101, 2457, 2569, 3303, 4771, 7371, 7707, 9909, 14313, 23121, 29727, 33397, 42939, 69363, 100191, 128817, 208089, 300573, 386451, 901719, 2705157]

約数ペア:

[(1, 2705157), (3, 901719), (7, 386451), (9, 300573), (13, 208089), (21, 128817), (27, 100191), (39, 69363), (63, 42939), (81, 33397), (91, 29727), (117, 23121), (189, 14313), (273, 9909), (351, 7707), (367, 7371), (567, 4771), (819, 3303), (1053, 2569), (1101, 2457)]