438406911

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{12329}}^1$

素因数の和:12780

約数の個数: 20

約数和(自身を含む): 656449200

約数和(自身を除く): 218042289

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 12329, 35559, 36987, 110961, 332883, 998649, 5412431, 16237293, 48711879, 146135637, 438406911]

約数ペア:

[(1, 438406911), (3, 146135637), (9, 48711879), (27, 16237293), (81, 5412431), (439, 998649), (1317, 332883), (3951, 110961), (11853, 36987), (12329, 35559)]