209888904291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23801}}^1\times {\mathrm{267227}}^1$

素因数の和:291042

約数の個数: 16

約数和(自身を含む): 305306921088

約数和(自身を除く): 95418016797

約数列:

[1, 3, 11, 33, 23801, 71403, 261811, 267227, 785433, 801681, 2939497, 8818491, 6360269827, 19080809481, 69962968097, 209888904291]

約数ペア:

[(1, 209888904291), (3, 69962968097), (11, 19080809481), (33, 6360269827), (23801, 8818491), (71403, 2939497), (261811, 801681), (267227, 785433)]