200420973

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{145549}}^1$

素因数の和:145578

約数の個数: 20

約数和(自身を含む): 317007900

約数和(自身を除く): 116586927

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 145549, 436647, 1309941, 2474333, 3929823, 7422999, 11789469, 22268997, 66806991, 200420973]

約数ペア:

[(1, 200420973), (3, 66806991), (9, 22268997), (17, 11789469), (27, 7422999), (51, 3929823), (81, 2474333), (153, 1309941), (459, 436647), (1377, 145549)]