821071647

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{921517}}^1$

素因数の和:921540

約数の個数: 20

約数和(自身を含む): 1338044136

約数和(自身を除く): 516972489

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 921517, 2764551, 8293653, 10136687, 24880959, 30410061, 74642877, 91230183, 273690549, 821071647]

約数ペア:

[(1, 821071647), (3, 273690549), (9, 91230183), (11, 74642877), (27, 30410061), (33, 24880959), (81, 10136687), (99, 8293653), (297, 2764551), (891, 921517)]