1900696509

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1380317}}^1$

素因数の和:1380346

約数の個数: 20

約数和(自身を含む): 3006332604

約数和(自身を除く): 1105636095

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1380317, 4140951, 12422853, 23465389, 37268559, 70396167, 111805677, 211188501, 633565503, 1900696509]

約数ペア:

[(1, 1900696509), (3, 633565503), (9, 211188501), (17, 111805677), (27, 70396167), (51, 37268559), (81, 23465389), (153, 12422853), (459, 4140951), (1377, 1380317)]