1780461

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 2830464

約数和(自身を除く): 1050003

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 431, 459, 1293, 1377, 3879, 4131, 7327, 11637, 21981, 34911, 65943, 104733, 197829, 593487, 1780461]

約数ペア:

[(1, 1780461), (3, 593487), (9, 197829), (17, 104733), (27, 65943), (51, 34911), (81, 21981), (153, 11637), (243, 7327), (431, 4131), (459, 3879), (1293, 1377)]