123457689

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{89657}}^1$

素因数の和:89686

約数の個数: 20

約数和(自身を含む): 195275124

約数和(自身を除く): 71817435

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 89657, 268971, 806913, 1524169, 2420739, 4572507, 7262217, 13717521, 41152563, 123457689]

約数ペア:

[(1, 123457689), (3, 41152563), (9, 13717521), (17, 7262217), (27, 4572507), (51, 2420739), (81, 1524169), (153, 806913), (459, 268971), (1377, 89657)]