1271391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 1883520

約数和(自身を除く): 612129

約数列:

[1, 3, 11, 33, 59, 177, 649, 653, 1947, 1959, 7183, 21549, 38527, 115581, 423797, 1271391]

約数ペア:

[(1, 1271391), (3, 423797), (11, 115581), (33, 38527), (59, 21549), (177, 7183), (649, 1959), (653, 1947)]