678536487

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1478293}}^1$

素因数の和:1478319

約数の個数: 16

約数和(自身を含む): 1064371680

約数和(自身を除く): 385835193

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1478293, 4434879, 13304637, 25130981, 39913911, 75392943, 226178829, 678536487]

約数ペア:

[(1, 678536487), (3, 226178829), (9, 75392943), (17, 39913911), (27, 25130981), (51, 13304637), (153, 4434879), (459, 1478293)]