12639207

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 20044800

約数和(自身を除く): 7405593

約数列:

[1, 3, 7, 21, 49, 71, 147, 173, 213, 343, 497, 519, 1029, 1211, 1491, 3479, 3633, 8477, 10437, 12283, 24353, 25431, 36849, 59339, 73059, 85981, 178017, 257943, 601867, 1805601, 4213069, 12639207]

約数ペア:

[(1, 12639207), (3, 4213069), (7, 1805601), (21, 601867), (49, 257943), (71, 178017), (147, 85981), (173, 73059), (213, 59339), (343, 36849), (497, 25431), (519, 24353), (1029, 12283), (1211, 10437), (1491, 8477), (3479, 3633)]