81964479

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{5233}}^1$

素因数の和:5486

約数の個数: 16

約数和(自身を含む): 114561792

約数和(自身を除く): 32597313

約数列:

[1, 3, 23, 69, 227, 681, 5221, 5233, 15663, 15699, 120359, 361077, 1187891, 3563673, 27321493, 81964479]

約数ペア:

[(1, 81964479), (3, 27321493), (23, 3563673), (69, 1187891), (227, 361077), (681, 120359), (5221, 15699), (5233, 15663)]