138273485

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{4111}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 195994368

約数和(自身を除く): 57720883

約数列:

[1, 5, 7, 31, 35, 155, 217, 961, 1085, 4111, 4805, 6727, 20555, 28777, 33635, 127441, 143885, 637205, 892087, 3950671, 4460435, 19753355, 27654697, 138273485]

約数ペア:

[(1, 138273485), (5, 27654697), (7, 19753355), (31, 4460435), (35, 3950671), (155, 892087), (217, 637205), (961, 143885), (1085, 127441), (4111, 33635), (4805, 28777), (6727, 20555)]