156780279

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{45013}}^1$

素因数の和:45068

約数の個数: 20

約数和(自身を含む): 239654536

約数和(自身を除く): 82874257

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 45013, 135039, 405117, 1215351, 1935559, 3646053, 5806677, 17420031, 52260093, 156780279]

約数ペア:

[(1, 156780279), (3, 52260093), (9, 17420031), (27, 5806677), (43, 3646053), (81, 1935559), (129, 1215351), (387, 405117), (1161, 135039), (3483, 45013)]