1540049

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 1867776

約数和(自身を除く): 327727

約数列:

[1, 7, 31, 47, 151, 217, 329, 1057, 1457, 4681, 7097, 10199, 32767, 49679, 220007, 1540049]

約数ペア:

[(1, 1540049), (7, 220007), (31, 49679), (47, 32767), (151, 10199), (217, 7097), (329, 4681), (1057, 1457)]