2113456317

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{143159}}^1$

素因数の和:143225

約数の個数: 32

約数和(自身を含む): 3481651200

約数和(自身を除く): 1368194883

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 14763, 143159, 429477, 1002113, 2720021, 3006339, 5296883, 8160063, 15890649, 19040147, 37078181, 57120441, 100640777, 111234543, 301922331, 704485439, 2113456317]

約数ペア:

[(1, 2113456317), (3, 704485439), (7, 301922331), (19, 111234543), (21, 100640777), (37, 57120441), (57, 37078181), (111, 19040147), (133, 15890649), (259, 8160063), (399, 5296883), (703, 3006339), (777, 2720021), (2109, 1002113), (4921, 429477), (14763, 143159)]