2175921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 3544320

約数和(自身を除く): 1368399

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 709, 1023, 2127, 3069, 6381, 7799, 21979, 23397, 65937, 70191, 197811, 241769, 725307, 2175921]

約数ペア:

[(1, 2175921), (3, 725307), (9, 241769), (11, 197811), (31, 70191), (33, 65937), (93, 23397), (99, 21979), (279, 7799), (341, 6381), (709, 3069), (1023, 2127)]