6440391

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{3457}}^1$

素因数の和:3492

約数の個数: 20

約数和(自身を含む): 10042032

約数和(自身を除く): 3601641

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 3457, 10371, 31113, 79511, 93339, 238533, 280017, 715599, 2146797, 6440391]

約数ペア:

[(1, 6440391), (3, 2146797), (9, 715599), (23, 280017), (27, 238533), (69, 93339), (81, 79511), (207, 31113), (621, 10371), (1863, 3457)]