30442279

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 20

約数和(自身を含む): 36749120

約数和(自身を除く): 6306841

約数列:

[1, 7, 31, 49, 217, 343, 409, 1519, 2401, 2863, 10633, 12679, 20041, 74431, 88753, 140287, 621271, 982009, 4348897, 30442279]

約数ペア:

[(1, 30442279), (7, 4348897), (31, 982009), (49, 621271), (217, 140287), (343, 88753), (409, 74431), (1519, 20041), (2401, 12679), (2863, 10633)]