27939249

素因数分解:

$3^4\times {\mathrm{13}}^3\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 40

約数和(自身を含む): 45500840

約数和(自身を除く): 17561591

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 157, 169, 351, 471, 507, 1053, 1413, 1521, 2041, 2197, 4239, 4563, 6123, 6591, 12717, 13689, 18369, 19773, 26533, 55107, 59319, 79599, 165321, 177957, 238797, 344929, 716391, 1034787, 2149173, 3104361, 9313083, 27939249]

約数ペア:

[(1, 27939249), (3, 9313083), (9, 3104361), (13, 2149173), (27, 1034787), (39, 716391), (81, 344929), (117, 238797), (157, 177957), (169, 165321), (351, 79599), (471, 59319), (507, 55107), (1053, 26533), (1413, 19773), (1521, 18369), (2041, 13689), (2197, 12717), (4239, 6591), (4563, 6123)]