2148489

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 3606720

約数和(自身を除く): 1458231

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 509, 603, 1407, 1527, 3563, 4221, 4581, 10689, 32067, 34103, 102309, 238721, 306927, 716163, 2148489]

約数ペア:

[(1, 2148489), (3, 716163), (7, 306927), (9, 238721), (21, 102309), (63, 34103), (67, 32067), (201, 10689), (469, 4581), (509, 4221), (603, 3563), (1407, 1527)]