4390191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 6901440

約数和(自身を除く): 2511249

約数列:

[1, 3, 9, 13, 39, 117, 157, 239, 471, 717, 1413, 2041, 2151, 3107, 6123, 9321, 18369, 27963, 37523, 112569, 337707, 487799, 1463397, 4390191]

約数ペア:

[(1, 4390191), (3, 1463397), (9, 487799), (13, 337707), (39, 112569), (117, 37523), (157, 27963), (239, 18369), (471, 9321), (717, 6123), (1413, 3107), (2041, 2151)]