497974149

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{361637}}^1$

素因数の和:361666

約数の個数: 20

約数和(自身を含む): 787647564

約数和(自身を除く): 289673415

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 361637, 1084911, 3254733, 6147829, 9764199, 18443487, 29292597, 55330461, 165991383, 497974149]

約数ペア:

[(1, 497974149), (3, 165991383), (9, 55330461), (17, 29292597), (27, 18443487), (51, 9764199), (81, 6147829), (153, 3254733), (459, 1084911), (1377, 361637)]