218620161

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{218839}}^1$

素因数の和:218885

約数の個数: 16

約数和(自身を含む): 332636800

約数和(自身を除く): 114016639

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 218839, 656517, 1969551, 5908653, 8097043, 24291129, 72873387, 218620161]

約数ペア:

[(1, 218620161), (3, 72873387), (9, 24291129), (27, 8097043), (37, 5908653), (111, 1969551), (333, 656517), (999, 218839)]