40078881

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 63121344

約数和(自身を除く): 23042463

約数列:

[1, 3, 9, 27, 37, 43, 81, 111, 129, 311, 333, 387, 933, 999, 1161, 1591, 2799, 2997, 3483, 4773, 8397, 11507, 13373, 14319, 25191, 34521, 40119, 42957, 103563, 120357, 128871, 310689, 361071, 494801, 932067, 1083213, 1484403, 4453209, 13359627, 40078881]

約数ペア:

[(1, 40078881), (3, 13359627), (9, 4453209), (27, 1484403), (37, 1083213), (43, 932067), (81, 494801), (111, 361071), (129, 310689), (311, 128871), (333, 120357), (387, 103563), (933, 42957), (999, 40119), (1161, 34521), (1591, 25191), (2799, 14319), (2997, 13373), (3483, 11507), (4773, 8397)]