179978517

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{5303}}^1$

素因数の和:5734

約数の個数: 20

約数和(自身を含む): 269549280

約数和(自身を除く): 89570763

約数列:

[1, 3, 9, 27, 81, 419, 1257, 3771, 5303, 11313, 15909, 33939, 47727, 143181, 429543, 2221957, 6665871, 19997613, 59992839, 179978517]

約数ペア:

[(1, 179978517), (3, 59992839), (9, 19997613), (27, 6665871), (81, 2221957), (419, 429543), (1257, 143181), (3771, 47727), (5303, 33939), (11313, 15909)]