2135421

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 18

約数和(自身を含む): 3280602

約数和(自身を除く): 1145181

約数列:

[1, 3, 9, 17, 51, 153, 289, 821, 867, 2463, 2601, 7389, 13957, 41871, 125613, 237269, 711807, 2135421]

約数ペア:

[(1, 2135421), (3, 711807), (9, 237269), (17, 125613), (51, 41871), (153, 13957), (289, 7389), (821, 2601), (867, 2463)]