137728359

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{42391}}^1$

素因数の和:42435

約数の個数: 18

約数和(自身を含む): 209967576

約数和(自身を除く): 72239217

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 42391, 127173, 381519, 805429, 2416287, 7248861, 15303151, 45909453, 137728359]

約数ペア:

[(1, 137728359), (3, 45909453), (9, 15303151), (19, 7248861), (57, 2416287), (171, 805429), (361, 381519), (1083, 127173), (3249, 42391)]