1240143639

素因数分解:

$3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{208673}}^1$

素因数の和:208966

約数の個数: 16

約数和(自身を含む): 1896429312

約数和(自身を除く): 656285673

約数列:

[1, 3, 7, 21, 283, 849, 1981, 5943, 208673, 626019, 1460711, 4382133, 59054459, 177163377, 413381213, 1240143639]

約数ペア:

[(1, 1240143639), (3, 413381213), (7, 177163377), (21, 59054459), (283, 4382133), (849, 1460711), (1981, 626019), (5943, 208673)]