287313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 423360

約数和(自身を除く): 136047

約数列:

[1, 3, 13, 39, 53, 139, 159, 417, 689, 1807, 2067, 5421, 7367, 22101, 95771, 287313]

約数ペア:

[(1, 287313), (3, 95771), (13, 22101), (39, 7367), (53, 5421), (139, 2067), (159, 1807), (417, 689)]