27428463

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19919}}^1$

素因数の和:19948

約数の個数: 20

約数和(自身を含む): 43385760

約数和(自身を除く): 15957297

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19919, 59757, 179271, 338623, 537813, 1015869, 1613439, 3047607, 9142821, 27428463]

約数ペア:

[(1, 27428463), (3, 9142821), (9, 3047607), (17, 1613439), (27, 1015869), (51, 537813), (81, 338623), (153, 179271), (459, 59757), (1377, 19919)]