319457697

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13907}}^1$

素因数の和:13973

約数の個数: 32

約数和(自身を含む): 498462720

約数和(自身を除く): 179005023

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1767, 7657, 13907, 22971, 41721, 180791, 264233, 431117, 542373, 792699, 1293351, 3435029, 5604521, 8191223, 10305087, 16813563, 24573669, 106485899, 319457697]

約数ペア:

[(1, 319457697), (3, 106485899), (13, 24573669), (19, 16813563), (31, 10305087), (39, 8191223), (57, 5604521), (93, 3435029), (247, 1293351), (403, 792699), (589, 542373), (741, 431117), (1209, 264233), (1767, 180791), (7657, 41721), (13907, 22971)]