248688549

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{161591}}^1$

素因数の和:161622

約数の個数: 20

約数和(自身を含む): 391052640

約数和(自身を除く): 142364091

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 161591, 484773, 1454319, 3070229, 4362957, 9210687, 13088871, 27632061, 82896183, 248688549]

約数ペア:

[(1, 248688549), (3, 82896183), (9, 27632061), (19, 13088871), (27, 9210687), (57, 4362957), (81, 3070229), (171, 1454319), (513, 484773), (1539, 161591)]