1678163907

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{727}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 2676989952

約数和(自身を除く): 998826045

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 383, 727, 861, 1149, 2009, 2181, 2681, 5089, 6027, 8043, 15267, 15703, 18767, 29807, 35623, 47109, 56301, 89421, 106869, 109921, 208649, 278441, 329763, 625947, 769447, 835323, 1460543, 1949087, 2308341, 4381629, 5847261, 11416081, 13643609, 34248243, 40930827, 79912567, 239737701, 559387969, 1678163907]

約数ペア:

[(1, 1678163907), (3, 559387969), (7, 239737701), (21, 79912567), (41, 40930827), (49, 34248243), (123, 13643609), (147, 11416081), (287, 5847261), (383, 4381629), (727, 2308341), (861, 1949087), (1149, 1460543), (2009, 835323), (2181, 769447), (2681, 625947), (5089, 329763), (6027, 278441), (8043, 208649), (15267, 109921), (15703, 106869), (18767, 89421), (29807, 56301), (35623, 47109)]