207978867

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{4157}}^1$

素因数の和:4292

約数の個数: 32

約数和(自身を含む): 329313600

約数和(自身を除く): 121334733

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 459, 981, 1853, 2943, 4157, 5559, 12471, 16677, 37413, 50031, 70669, 112239, 212007, 453113, 636021, 1359339, 1908063, 4078017, 7702921, 12234051, 23108763, 69326289, 207978867]

約数ペア:

[(1, 207978867), (3, 69326289), (9, 23108763), (17, 12234051), (27, 7702921), (51, 4078017), (109, 1908063), (153, 1359339), (327, 636021), (459, 453113), (981, 212007), (1853, 112239), (2943, 70669), (4157, 50031), (5559, 37413), (12471, 16677)]