1872729

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 2882880

約数和(自身を除く): 1010151

約数列:

[1, 3, 9, 23, 69, 83, 109, 207, 249, 327, 747, 981, 1909, 2507, 5727, 7521, 9047, 17181, 22563, 27141, 81423, 208081, 624243, 1872729]

約数ペア:

[(1, 1872729), (3, 624243), (9, 208081), (23, 81423), (69, 27141), (83, 22563), (109, 17181), (207, 9047), (249, 7521), (327, 5727), (747, 2507), (981, 1909)]