320415831

素因数分解:

$3^4\times {\mathrm{1481}}^1\times {\mathrm{2671}}^1$

素因数の和:4164

約数の個数: 20

約数和(自身を含む): 479148384

約数和(自身を除く): 158732553

約数列:

[1, 3, 9, 27, 81, 1481, 2671, 4443, 8013, 13329, 24039, 39987, 72117, 119961, 216351, 3955751, 11867253, 35601759, 106805277, 320415831]

約数ペア:

[(1, 320415831), (3, 106805277), (9, 35601759), (27, 11867253), (81, 3955751), (1481, 216351), (2671, 119961), (4443, 72117), (8013, 39987), (13329, 24039)]