51861951

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37663}}^1$

素因数の和:37692

約数の個数: 20

約数和(自身を含む): 82032192

約数和(自身を除く): 30170241

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 37663, 112989, 338967, 640271, 1016901, 1920813, 3050703, 5762439, 17287317, 51861951]

約数ペア:

[(1, 51861951), (3, 17287317), (9, 5762439), (17, 3050703), (27, 1920813), (51, 1016901), (81, 640271), (153, 338967), (459, 112989), (1377, 37663)]