12171813

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 17535840

約数和(自身を除く): 5364027

約数列:

[1, 3, 17, 51, 101, 139, 289, 303, 417, 867, 1717, 2363, 5151, 7089, 14039, 29189, 40171, 42117, 87567, 120513, 238663, 715989, 4057271, 12171813]

約数ペア:

[(1, 12171813), (3, 4057271), (17, 715989), (51, 238663), (101, 120513), (139, 87567), (289, 42117), (303, 40171), (417, 29189), (867, 14039), (1717, 7089), (2363, 5151)]