2518299

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 4223232

約数和(自身を除く): 1704933

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 563, 639, 1491, 1689, 3941, 4473, 5067, 11823, 35469, 39973, 119919, 279811, 359757, 839433, 2518299]

約数ペア:

[(1, 2518299), (3, 839433), (7, 359757), (9, 279811), (21, 119919), (63, 39973), (71, 35469), (213, 11823), (497, 5067), (563, 4473), (639, 3941), (1491, 1689)]