205989357

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25087}}^1$

素因数の和:25137

約数の個数: 32

約数和(自身を含む): 346816512

約数和(自身を除く): 140827155

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2737, 8211, 25087, 75261, 175609, 426479, 526827, 577001, 1279437, 1731003, 2985353, 4039007, 8956059, 9809017, 12117021, 29427051, 68663119, 205989357]

約数ペア:

[(1, 205989357), (3, 68663119), (7, 29427051), (17, 12117021), (21, 9809017), (23, 8956059), (51, 4039007), (69, 2985353), (119, 1731003), (161, 1279437), (357, 577001), (391, 526827), (483, 426479), (1173, 175609), (2737, 75261), (8211, 25087)]