138315087

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 212674560

約数和(自身を除く): 74359473

約数列:

[1, 3, 9, 27, 31, 93, 257, 279, 643, 771, 837, 1929, 2313, 5787, 6939, 7967, 17361, 19933, 23901, 59799, 71703, 165251, 179397, 215109, 495753, 538191, 1487259, 4461777, 5122781, 15368343, 46105029, 138315087]

約数ペア:

[(1, 138315087), (3, 46105029), (9, 15368343), (27, 5122781), (31, 4461777), (93, 1487259), (257, 538191), (279, 495753), (643, 215109), (771, 179397), (837, 165251), (1929, 71703), (2313, 59799), (5787, 23901), (6939, 19933), (7967, 17361)]