381729

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 16

約数和(自身を含む): 553280

約数和(自身を除く): 171551

約数列:

[1, 3, 19, 37, 57, 111, 181, 543, 703, 2109, 3439, 6697, 10317, 20091, 127243, 381729]

約数ペア:

[(1, 381729), (3, 127243), (19, 20091), (37, 10317), (57, 6697), (111, 3439), (181, 2109), (543, 703)]