254787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 16

約数和(自身を含む): 376320

約数和(自身を除く): 121533

約数列:

[1, 3, 13, 39, 47, 139, 141, 417, 611, 1807, 1833, 5421, 6533, 19599, 84929, 254787]

約数ペア:

[(1, 254787), (3, 84929), (13, 19599), (39, 6533), (47, 5421), (139, 1833), (141, 1807), (417, 611)]