219906819

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{246809}}^1$

素因数の和:246832

約数の個数: 20

約数和(自身を含む): 358368120

約数和(自身を除く): 138461301

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 246809, 740427, 2221281, 2714899, 6663843, 8144697, 19991529, 24434091, 73302273, 219906819]

約数ペア:

[(1, 219906819), (3, 73302273), (9, 24434091), (11, 19991529), (27, 8144697), (33, 6663843), (81, 2714899), (99, 2221281), (297, 740427), (891, 246809)]