6990219

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 20

約数和(自身を含む): 10517320

約数和(自身を除く): 3527101

約数列:

[1, 3, 9, 27, 81, 211, 409, 633, 1227, 1899, 3681, 5697, 11043, 17091, 33129, 86299, 258897, 776691, 2330073, 6990219]

約数ペア:

[(1, 6990219), (3, 2330073), (9, 776691), (27, 258897), (81, 86299), (211, 33129), (409, 17091), (633, 11043), (1227, 5697), (1899, 3681)]