13123851

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 7036149

約数列:

[1, 3, 13, 19, 39, 57, 89, 199, 247, 267, 597, 741, 1157, 1691, 2587, 3471, 3781, 5073, 7761, 11343, 17711, 21983, 49153, 53133, 65949, 147459, 230243, 336509, 690729, 1009527, 4374617, 13123851]

約数ペア:

[(1, 13123851), (3, 4374617), (13, 1009527), (19, 690729), (39, 336509), (57, 230243), (89, 147459), (199, 65949), (247, 53133), (267, 49153), (597, 21983), (741, 17711), (1157, 11343), (1691, 7761), (2587, 5073), (3471, 3781)]