213018957

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{111121}}^1$

素因数の和:111201

約数の個数: 16

約数和(自身を含む): 320031360

約数和(自身を除く): 107012403

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 111121, 333363, 1000089, 3000267, 7889591, 23668773, 71006319, 213018957]

約数ペア:

[(1, 213018957), (3, 71006319), (9, 23668773), (27, 7889591), (71, 3000267), (213, 1000089), (639, 333363), (1917, 111121)]