726714423

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{190889}}^1$

素因数の和:190948

約数の個数: 20

約数和(自身を含む): 1108689120

約数和(自身を除く): 381974697

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 190889, 572667, 1718001, 5154003, 8971783, 15462009, 26915349, 80746047, 242238141, 726714423]

約数ペア:

[(1, 726714423), (3, 242238141), (9, 80746047), (27, 26915349), (47, 15462009), (81, 8971783), (141, 5154003), (423, 1718001), (1269, 572667), (3807, 190889)]