1881873

素因数分解:

$3^4\times 7^1\times {\mathrm{3319}}^1$

素因数の和:3338

約数の個数: 20

約数和(自身を含む): 3213760

約数和(自身を除く): 1331887

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3319, 9957, 23233, 29871, 69699, 89613, 209097, 268839, 627291, 1881873]

約数ペア:

[(1, 1881873), (3, 627291), (7, 268839), (9, 209097), (21, 89613), (27, 69699), (63, 29871), (81, 23233), (189, 9957), (567, 3319)]