3991295

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 6082128

約数和(自身を除く): 2090833

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 1481, 2695, 7405, 10367, 16291, 51835, 72569, 81455, 114037, 362845, 570185, 798259, 3991295]

約数ペア:

[(1, 3991295), (5, 798259), (7, 570185), (11, 362845), (35, 114037), (49, 81455), (55, 72569), (77, 51835), (245, 16291), (385, 10367), (539, 7405), (1481, 2695)]