40686213

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1601}}^1$

素因数の和:1844

約数の個数: 16

約数和(自身を含む): 55826496

約数和(自身を除く): 15140283

約数列:

[1, 3, 43, 129, 197, 591, 1601, 4803, 8471, 25413, 68843, 206529, 315397, 946191, 13562071, 40686213]

約数ペア:

[(1, 40686213), (3, 13562071), (43, 946191), (129, 315397), (197, 206529), (591, 68843), (1601, 25413), (4803, 8471)]