199965747

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 304544000

約数和(自身を除く): 104578253

約数列:

[1, 3, 17, 19, 51, 57, 61, 183, 199, 289, 323, 597, 867, 969, 1037, 1159, 3111, 3383, 3477, 3781, 5491, 10149, 11343, 12139, 16473, 17629, 19703, 36417, 52887, 57511, 59109, 64277, 172533, 192831, 206363, 230641, 334951, 619089, 691923, 1004853, 1092709, 3278127, 3508171, 3920897, 10524513, 11762691, 66655249, 199965747]

約数ペア:

[(1, 199965747), (3, 66655249), (17, 11762691), (19, 10524513), (51, 3920897), (57, 3508171), (61, 3278127), (183, 1092709), (199, 1004853), (289, 691923), (323, 619089), (597, 334951), (867, 230641), (969, 206363), (1037, 192831), (1159, 172533), (3111, 64277), (3383, 59109), (3477, 57511), (3781, 52887), (5491, 36417), (10149, 19703), (11343, 17629), (12139, 16473)]