17805681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4013}}^1$

素因数の和:4065

約数の個数: 24

約数和(自身を含む): 28178280

約数和(自身を除く): 10372599

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4013, 4437, 12039, 36117, 68221, 116377, 204663, 349131, 613989, 1047393, 1978409, 5935227, 17805681]

約数ペア:

[(1, 17805681), (3, 5935227), (9, 1978409), (17, 1047393), (29, 613989), (51, 349131), (87, 204663), (153, 116377), (261, 68221), (493, 36117), (1479, 12039), (4013, 4437)]