13820631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 7468329

約数列:

[1, 3, 11, 23, 33, 69, 131, 139, 253, 393, 417, 759, 1441, 1529, 3013, 3197, 4323, 4587, 9039, 9591, 18209, 33143, 35167, 54627, 99429, 105501, 200299, 418807, 600897, 1256421, 4606877, 13820631]

約数ペア:

[(1, 13820631), (3, 4606877), (11, 1256421), (23, 600897), (33, 418807), (69, 200299), (131, 105501), (139, 99429), (253, 54627), (393, 35167), (417, 33143), (759, 18209), (1441, 9591), (1529, 9039), (3013, 4587), (3197, 4323)]