139414191

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349409}}^1$

素因数の和:349438

約数の個数: 16

約数和(自身を含む): 223622400

約数和(自身を除く): 84208209

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 349409, 1048227, 2445863, 6638771, 7337589, 19916313, 46471397, 139414191]

約数ペア:

[(1, 139414191), (3, 46471397), (7, 19916313), (19, 7337589), (21, 6638771), (57, 2445863), (133, 1048227), (399, 349409)]